Using Linux, while a directory may seem empty because it doesnt co.pdf

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Using a table of critical t - values of the t distribution, find the range of values for the P - value for testing a claim about the mean body temperature of healthy adults for a left - tailed test with n = 13 and test statistic T = - 3.455. What is the range of values for the P - value? A. 0.01 Solution As n = 13, then df = n - 1 = 12. Thus, looking at tables, we see that -3.455 is less than the left tailed critical value of 0.005 significance, which is -3.055. Thus, it is OPTION C: P value < 0.005. [ANSWER, C].

Using Linux, while a directory may seem empty because it doesn't contain any files or sub-
directories, you will always see two items if you use the command to see ALL files. What are the
names of these two items, and what are they?
Solution
These hidden files are called dot files.
these files are configuration files.files which keep a track when directory information is
updated.It also keeps directory size,names etc.

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REVIEW QUESTIONS AND ANSWERS 1. Name the person responsible for the economic tumaround of both Japan and the United States, and explain what situation in Japan caused him to inadvertently start the turnaround. 2. List the three things needed to mass-produce anything. Explain what is meant by the phrase \"Inspection works well on an individual basis, but is expensive and wasteful in mass production.\" 3. The foundation of modern industrial production demanded what social cost and yielded what economic benefit? 4. List two dangers to the American economy if Americans prefer and buy foreign goods over American-made goods. 5. List the five economic advantages America had over its competitors after World War II. 6. Solution 1. The person responsible and played a key role in economic turnaround of Japan and US was Henry Ford. The economic downturn was a result of realization of the factor that all the economic advantages can be acquired around the globe but not workforce skills. All the other resources can be duplicated but not workforce skills. The key was to develop a well-trained and well educated workforce that is treated with dignity and respect..

Sally wants to express her gene of interest in E. coli. She inserts .pdf

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kamdinrossihoungma74

Seedless green grapes are sold in mess bags at Winn Dixie and typically consist of 3-5 bunches per bag. Suppose the weight of these bags follows a normal distribution with a mean and standard deviation based on the table to the right. Determine the probability that a randomly selected bag will contain the value indicated below? The randomly selected bag will contain 35.0 ounces (Bag weight in ounces µ = 27.2 = 4.8) Solution Normal Distribution Mean ( u ) =27.2 Standard Deviation ( sd )=4.8 Normal Distribution = Z= X- u / sd ~ N(0,1) a) P(X > 35) = (35-27.2)/4.8 = 7.8/4.8 = 1.625 = P ( Z >1.625) From Standard Normal Table = 0.0521 P(X < = 35) = (1 - P(X > 35) = 1 - 0.0521 = 0.9479.

Short answers ·GUI elements Static methods and variables Overloading .pdf

Short answers ·GUI elements Static methods and variables Overloading .pdf

Short answers ·GUI elements Static methods and variables Overloading .pdf

kamdinrossihoungma74

Ratio Analysis Data for Barry Computer Co. and its industry averages follow. Barry Computer Company: Balance Sheet as of December 31, 2014 (In Thousands) Cash $97,920 Accounts payable $228,480 Receivables 636,480 Other current liabilities 212,160 Inventories 342,720 Notes payable 81,600 Total current assets $1,077,120 Total current liabilities $522,240 Long- term debt $408,000 Net fixed assets 554,880 Common equity 701,760 Total assets $1,632,000 Total liabilities and equity $1,632,000 Barry Computer Company: Income Statement for Year Ended December 31, 2014 (In Thousands) Sales $2,400,000 Cost of goods sold Materials $1,128,000 Labor 576,000 Heat, light, and power 96,000 Indirect labor 264,000 Depreciation 72,000 $2,136,000 Gross profit $264,000 Selling expenses 144,000 General and administrative expenses 24,000 Earnings before interest and taxes (EBIT) $96,000 Interest expense 32,640 Earnings before taxes (EBT) 63,360 Federal and state income taxes (40%) 25,344 Net income $38,016 Calculate the indicated ratios for Barry. Round your answers to two decimal places. Ratio Barry Industry Average Current x 2.08x Quick x 1.42x Days sales outstandinga days 45.23days Inventory turnover x 7.65x Total assets turnover x 1.75x Profit margin % 1.48% ROA % 2.59% ROE % 6.02% ROIC % 7.00% TIE x 3.50x Debt/Total capital % 45.50% aCalculation is based on a 365-day year. Construct the Du Pont equation for both Barry and the industry. Round your answers to two decimal places. FIRM INDUSTRY Profit margin % 1.48% Total assets turnover x 1.75x Equity multiplier Solution Thank you for your question. Please see the below indicated ratio of Barry Computer Co. 1).Current Ratio= Current Assets/Current Liability Current Assets= Cash+ A/c Receivable+ Inventories Current Liability= A/c Payable+ Other Liability CA= $97,920+$636,480+$342,720= $1,077,120 CL= $228,480+$212,160= $440,640 Current ratio= 1,077,120/440,640= 2.44x 2) Quick ratio= (Cash+ Cash Equivalent+Ac Receivables)/ Current Liability = ($97,920+$636,480)/($228,480+$212,160)= 1.66x 3). Days sales outstanding= 365/Receivables Turnover Receivable Turnover= Annual sales/ Average Receivable Average Receivable= (Opening Receivable+ Closing Receivable)/2 Average Receivable= Since opening receivable is not available so we will use closing receivable as denominator to calculate receivable turnover. So, it would be, $2,400,000/$636,480=3.77 So, Days of sales outstanding would be 365/3.77= 96.81 4).Inventory Turnover= COGS/ Average Inventory 1,128,000/342,720= 3.29x 5) Total Assets Turnover= Revenue/ Average total assets Since, we are not given opening total assets we will use total assets as average total assets. $2,400,000/1,632,000= 1.47 5). Profit Margin= Net Income/Revenue $38,016/2,400,000= 1.58% 6). ROA= Net income/ Average total assets $38,016/$1,632,000= 2.32% 7). ROE= Net income/ Average total equity $38,016/$701,760= 5.41% 8). ROIC= EBIT/Total capital $96,000/($701,760+$81,600+$408,000)= 8.05% 9).TIE= EBIT/ Int.

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Rectangle class inherits members of Shape class Has one method calle.pdf

Rectangle class inherits members of Shape class Has one method calle.pdf

kamdinrossihoungma74

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kamdinrossihoungma74

Not sure really where to start Let TA:R3 rightarrow R2 be the matrix transformation associated with a matrix A, and suppose that TA(1,1,0) = (3,-7), TA(1,-1,0) = (5,9), TA( 1,1,1) = (6,-4). Find the matrix A. Solution The final matrix is equal to (2X1) Hence the matrix A must be of order 2 X 3 so when multiplied by 3X1 vector will result into 2X1 vector using the first relation we get From first relation a + b = 3 d + e = -7 From second relation a - b = 5 d - e = 9 From third relation a + b + c = 6 d + e + f = -4 We get after solving these 6 equations, the values as follows a = 4, b = -1 d = 1, e = -8 c = 3, f = 3 Hence the A matrix which is 3X2 matrix is equal toabcdef.

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kamdinrossihoungma74

MKTG HW--- Search four Samsung ads. And prepare a few words about every ad(s). Solution there are many ads from samsung. few of them are based on their mobile model. the models are samsung duos, samsung 6s, samsung slim etc. samsung duos: it says about the need of multi networks to a single user at a time or different time. they explained that if you are enjoying a service, it does not mean that you should loose the other service or facility. samsung 6s with latest features of supporting 4G services, front cam, android version, battery back up, 16MP camera, upto 32GB extendable memory and many other features. the slogan is while we are paying why should we compromise. samsung slim; it does not mean that for palying many roles you should be bigger. even you can perform all the services or roles in a smarter way also. it express the importance of being slim and smart..

Multiple choice of secant functionsI know D isnt the correct ans.pdf

Multiple choice of secant functionsI know D isnt the correct ans.pdf

Multiple choice of secant functionsI know D isnt the correct ans.pdf

kamdinrossihoungma74

Operating leases have historically been controversial because there was no requirement for disclosure of the lease arrangements anywhere in the financial statements.True Solution Lease is defined as a contract between two parties for use of assets of one parties by paying rent for using assets. the owner of assets is calls Lessor and the person who use assets is called Lessee. Theer is two type lease contract, Operating lease and financial lease. in operating lease, periodic lease payment is reported in income statement as expense and in financig lease, assets are reported in balance sheet. So, given statement is false..

Part 1 - Written AnswersDownload the GridWriter.zip file and exami.pdf

Part 1 - Written AnswersDownload the GridWriter.zip file and exami.pdf

Part 1 - Written AnswersDownload the GridWriter.zip file and exami.pdf

kamdinrossihoungma74

Lets suppose that a species of mosquito has two different types of.pdf

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kamdinrossihoungma74

Let S(t)=21.55.5cos(/6t) be the sales function over 1 year where S is sales in thousands of dollars and t is time in months, with t=1 corresponding to January. Which month has minimum sales? What is the minimum number of sales? a)December; $16,000 b) December; $27,000 c) June; $16,000 d) September; $16,000 e) June; $27,000 Solution S(t)=21.55.5cos(/6t) For min sales, S\'= 0 Find S\'by deriving : S\'= 0 - 5.5 * -sin(pit/6) * (pi/6) S\'= 5.5pi/6 * sin(pi*t/6) sin(pi*t/6) = 0 t = 0 or t = 12 Clearly, t = 0 does not make any sense t = 12 means DEcember When t = 12, we get : S = 21.55.5cos(/6 * 12) S = 21.5 - 5.5cos(2pi) S = 21.5 - 5.5 S = 16 So, answer is : December 16000 dollars Option A.

Let X be a random variable with cumulative distribution function F(a.pdf

Let X be a random variable with cumulative distribution function F(a.pdf

Let X be a random variable with cumulative distribution function F(a.pdf

kamdinrossihoungma74

Joan took 4 courses last semester: Calculus, Physics, Biology, and History. The means and standard deviations for the final exams, and Joan\'s scores are given in the table below. Convert Joan\'s score into z scores. On what exam did Joan have the highest relative score? (Enter the subject.) Solution a) Mean ( u ) =70 Standard Deviation ( sd )=12 Normal Distribution = Z= X- u / sd ~ N(0,1) Z = (61-70)/12 Z = -9/12= -0.75 b) Mean ( u ) =60 Standard Deviation ( sd )=14 Normal Distribution = Z= X- u / sd ~ N(0,1) Z = (74-60)/14 Z = 14/14= 1 c) Mean ( u ) =77 Standard Deviation ( sd )=10 Normal Distribution = Z= X- u / sd ~ N(0,1) Z = (84.5-77)/10 Z = 7.5/10= 0.75 d) Mean ( u ) =53 Standard Deviation ( sd )=16 Z = X- u / sd ~ N(0,1) Z = (77-53)/16 Z = 24/16= 1.5 In HISTORY IT HAS RELATIVELY BIGGER SCORE.

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John and Mike have been friends since school but havent seen eachoth.pdf

John and Mike have been friends since school but havent seen eachoth.pdf

kamdinrossihoungma74

Item 8 Singly ionized (one electron removed) atoms are accelerated and then passed through a velocity selector consisting of perpendicular electric and magnetic fields. The electric field is 158 V/m and the magnetic field is 3.13 Times 10^2 T. The ions next enter a uniform magnetic field of magnitude 1.73 Times 10^-2 T that is oriented perpendicular to their velocity. How fast are the ions moving when they emerge from the velocity selector? If the radius of the path of the ions in the second magnetic field is 17.4 cm, what is their mass? Solution A) In Velocity selector Electric field & Magnetic field forces on ions are equal & opposite ,this is because it allows ions with a particular velocity only passes undeflected. so we can say, Bqv = Eq B:magnetic field density E:Electric field v:velocity at which the ions remains undeflected. v=E/B v = 158V/m / 3.13*10-2 T => v = 4.78*103 m/s B) as it enteres next in uniform magnetic field of value B=1.73*10-2 T Work done in uniform magnetic field is zero.It only changes the direction.So B provides centripetal force for the ions while changing direction in circular path of radius r=17.4cm. Bqv = mv²/r m = Bqr / v = (1.73*10-2T)(1.6*10-19C)(0.174m) / (4.78*103m/s) =>m = 1*10-25 kg.

Java Question help needed In the program Fill the Add statements.pdf

Java Question help needed In the program Fill the Add statements.pdf

Java Question help needed In the program Fill the Add statements.pdf

kamdinrossihoungma74

How are these structural differences related to the locations and functions of these two types of bone From your observations, how does the marrow in the medullary cavity compare with the marrow in the spaces of the spongy bone? The humerus is the proximal bone of an upper limb; the femur is the proximal bone of a lower limb. In the adult skeleton only certain portions of these long bones retain functional red bone marrow. Describe the specific regions of these bones that retain blood cell production sites. Solution How are these structural differences related to the locations and functions of these two types of bone? Compact bone will have more bone matrix and space will be less due to the presence of osteons and the main function of compact bone is to provide strength in the shaft and also providing support along the borders of the bone. Whereas Spongy bone will have less bone matrix and will have more spaces due to the presence of trabeculae and due to this arrangement, it reduces the weight of the bone and thus provides spaces which are occupied by red bone marrow. From your observations, how does the marrow in the medullary cavity compare with the marrow in the spaces of the spongy bone? The marrow in the medullary cavity will be of yellow color whereas the bone marrow present in the spaces of spongy bone is red. In the adult skeleton only certain portions of these long bones retain functional red bone marrow. Describe the specific regions of these bones that retain blood production sites. Humerus: In case of Humerus, the proximal epiphyses retain functional red bone marrow producing red blood cells in adult skeletons Femur: In case of femur, the proximal epiphyses retain functional red bone marrow producing red blood cells in adult skeletons.

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How can you tell if a URL or Domain is open or closed to the public.pdf

How can you tell if a URL or Domain is open or closed to the public.pdf

kamdinrossihoungma74

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kamdinrossihoungma74

Describe how to run an effective meeting. Give any personal example of meetings you thought were effective or ineffective. Solution There are good meetings and there are bad meetings. Bad meetings drone on forever, you never seem to get to the point, and you leave wondering why you were even present. Effective ones leave you energized and feeling that you\'ve really accomplished something. So what makes a meeting effective? This really boils down to three things: 1. They achieve the meeting\'s objective. 2. They take up a minimum amount of time. 3. They leave participants feeling that a sensible process has been followed. If you structure your meeting planning, preparation, execution, and follow up around these three basic criteria, the result will be an effective meeting. 1. The Meeting\'s Objective An effective meeting serves a useful purpose. This means that in it, you achieve a desired outcome. For a meeting to meet this outcome, or objective, you have to be clear about what it is. Too often, people call a meeting to discuss something without really considering what a good outcome would be. · Do you want a decision? · Do you want to generate ideas? · Are you getting status reports? · Are you communicating something? · Are you making plans? Any of these, and a myriad of others, is an example of a meeting objective. Before you do any meeting planning, you need to focus your objective. To help you determine what your meeting objective is, complete this sentence: At the close of the meeting, I want the group to ... With the end result clearly defined, you can then plan the contents of the meeting, and determine who needs to be present. 2. Use Time Wisely Time is a precious resource, and no one wants their time wasted. With the amount of time we all spend in meetings, you owe it to yourself and your team to streamline the meeting as much as possible. What\'s more, time wasted in a meeting is time wasted for everybody attending. For example, if a critical person is 15 minutes late in an eight person meeting, that person has cost the organization two hours of lost activity. 1) Spend twice as much time on the agenda as you normally would. One problem commonly afflicting meetings is unclear objectives. If you’re not exactly sure what you’re trying to accomplish, you can be sure it won’t happen quickly. As meeting organizer, it’s your responsibility to have clarity about objectives. Consult with another team member if you need to; a little extra time at the front end will save more time at the back end. 2) Spend twice as much time on the attendee list as you normally would. Ask yourself, carefully: Do all of these people really need to attend? Or could some of them just receive a brief email summary or quick call afterward? If you can reduce a half-hour meeting list by, say, four people whose presence isn’t essential, that’s two hours of productive time effortlessly returned to the company. 3) Schedule the meeting for the half the time you original.

Describe the role of television on politics today with some examples.pdf

Describe the role of television on politics today with some examples.pdf

Describe the role of television on politics today with some examples.pdf

kamdinrossihoungma74

Define the term “microlending” Solution Define the term \"microlending\": Microlending is the granting a very small amounts of money at low interest loans to people who are starting a business, or who need extra cash to expand business. A microlender provides small amounts of money that would not be considered cost-effective for a t lender, enabling disadvantaged individuals to have access to small amounts of credit..

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Describe bipolar disorder taking special care to note the time requ.pdf

Describe bipolar disorder taking special care to note the time requ.pdf

kamdinrossihoungma74

Compare and contrast the two major types of networks ? Solution THE DIFFERENCES BETWEEN TWO MAJOR NETWORKS i.e., LAN AND WAN ARE AS FOLLOWSNETWORKSLANWANStands ForLocal Area NetworkWide Area NetworkcoversLocal areas only (e.g., homes, offices, schools)Large geographic areas (e.g., cities, states, nations)DefinitionLAN (Local Area Network) is a computer network covering a small geographic area, like a home, office, school, or group of buildings.WAN (Wide Area Network) is a computer network that covers a broad area (e.g., any network whose communications links cross metropolitan, regional, or national boundaries over a long distance).SpeedHigh speed (1000 mbps)Less speed (150 mbps)Data transfer ratesLANs have a high data transfer rateWANs have a lower data transfer rate compared to LANs.ExampleThe network in an office building can be a LANThe Internet is a good example of a WANTechnologyTend to use certain connectivity technologies, primarily Ethernetand Token RingWANs tend to use technologies like MPLS, ATM, Frame Relay and X.25 for connectivity over longer distancesConnectionOne LAN can be connected to other LANs over any distance via telephone lines and radio waves.Computers connected to a wide-area network are often connected through public networks, such as the telephone system. They can also be connected through leased lines or satellites.ComponentsLayer 2 devices like switches and bridges. Layer 1 devices like hubs and repeaters.Layers 3 devices Routers, Multi-layer Switches and Technology specific devices like ATM or Frame-relay Switches etc.Fault ToleranceLANs tend to have fewer problems associated with them, as there are smaller number of systems to deal with.WANs tend to be less fault tolerant as they consist of large number of systems.Data Transmission ErrorExperiences fewer data transmission errorsExperiences more data transmission errors as compared to LANOwnershipTypically owned, controlled, and managed by a single person or organization.WANs (like the Internet) are not owned by any one organization but rather exist under collective or distributed ownership and management over long distances.Set-up costsIf there is a need to set-up a couple of extra devices on the network, it is not very expensive to do that. For WANs since networks in remote areas have to be connected the set-up costs are higher. However WANs using public networks can be setup very cheaply using just software (VPN etc).Geographical SpreadHave a small geographical range and do not need any leased telecommunication linesHave a large geographical range generally spreading across boundaries and need leased telecommunication linesMaintenance costsBecause it covers a relatively small geographical area, LAN is easier to maintain at relatively low costs.Maintaining WAN is difficult because of its wider geographical coverage and higher maintenance costsBandwidthHigh bandwidth is available for transmission.Low bandwidth is available for transmission. CongestionLess conges.

Compare and contrast the two major types of networks Solution.pdf

Compare and contrast the two major types of networks Solution.pdf

Compare and contrast the two major types of networks Solution.pdf

kamdinrossihoungma74

Answer following questions: How does the bundling of assets improve credit quality? Besides bundling assets together, what are two other measures that can be taken to enhance credit quality? Why would an organization want to securitize its assets? What makes asset backed securities attractive to investors? How might securitization help improve the quality of lives for people living in developing countries? Solution A) Bundling of assets or creating an asset pool enhances credit quality as the risk adjusted value of the pool is greater than that of individual assets. B) The other measures which can be taken to enhance credit quality are: I) Diversification of portfolio II) Investing in low risk bonds C) An organization would want to securitize it\'s assets to reduce it\'s debts and to bring in additional liquidity. D) Asset backed securities gives an opportunity to the investors to invest in diversified income generating assets and to reduce credit risk as they use a technique called credit tranching ..

Answer following questionsHow does the bundling of assets improve.pdf

Answer following questionsHow does the bundling of assets improve.pdf

Answer following questionsHow does the bundling of assets improve.pdf

kamdinrossihoungma74

Ancient Laws Using the laws listed in the Code of Hammurabi draw some inferences about the civilization that would employ/embrace such a system of laws and punishments. Consider also what our system of laws and punishment might say about us to outside observers. Finally, what subject do many of the Hammurabi\'s laws seem to concern themselves? Why? \"Remember we are looking at a civilization that is thousands of years old it is important to not view it anachronistically (i.e. through our enlightened tens of the 21st century: this often brings us into conflict with pursuing the noble dream\" of History). Solution Defination: The Code of Hammurabi is a well-preserved Babylonian law code of ancient Mesopotamia, dating back to about 1754 BC (Middle Chronology). It is one of the oldest deciphered writings of significant length in the world. Summary: Hammurabi and His Code of Laws - Summary. In about 1780 B.C., a Babylonian ruler named Hammurabi codified hundreds of laws and had them written on an eight-foot stele made of black basalt. Now in the Louvre, the stele\'s inscriptions were unintelligible for thousands of years. Significance: The Code of Hammurabi is a well-preserved Babylonian law code of ancient Mesopotamia, dating back to about 1754 BC (Middle Chronology). It is one of the oldest deciphered writings of significant length in the world. Civilization: Hammurabi is the best known and most celebrated of all Mesopotamian kings. He ruled the Babylonian Empire from 1792-50 B.C.E. Although he was concerned with keeping order in his kingdom, this was not his only reason for compiling the list of laws. Mesopotamian civilization: One of the earliest and most complete ancient legal codes was proclaimed by the Babylonian king Hammurabi, who reigned from 1792 to 1750 B.C. Hammurabi expanded the city-state of Babylon along the Euphrates River to unite all of southern Mesopotamia.

Ancient Laws Using the laws listed in the Code of Hammurabi draw some.pdf

Ancient Laws Using the laws listed in the Code of Hammurabi draw some.pdf

Ancient Laws Using the laws listed in the Code of Hammurabi draw some.pdf

kamdinrossihoungma74

2. What are the DBA’s responsibilities regarding access privileges? 19. You are employed as a DBA for a medical practice. You have implemented multiple safeguards to protect patient privacy and conform to HIPAA regulations. What other practical, common-sense measures should you take to ensure that the database system is secure? Identify at least three measures and explain the purpose of each one. 20. For credit card processing, stock exchanges, and airline reservations, data availability must be continuous. There are many other examples of mission-critical applications. Research the Internet to find four additional mission-critical applications and explain why data availability must be continuous for these applications. Be sure to cite your references. Solution 2) Responsibilities of DBA when considering access privileges: Basically Database administrative ministrator is the master of database and has to make sure that anyone who is using the database only have necessary access and not every which might mess up the data. Also confidentiality,criticality are some factors while granting access of information. 19) We can have following measures is place: a) Avoid using shared server as its put risk of keeping your senstive information in some one else\'s hand. b) Make sure security controls are enabled on your database c) If possible keep Database server and your web server seperate because keeping them both on same gives chances to get administrator account break and access to all information. 20) Some of mission critical application could be : a) Traffic Control : The data is traffic control needs to be up to date to every nano seconds other wise the automatic working signals might end up in mess and damage life..

2. What are the DBA’s responsibilities regarding access privileges.pdf

2. What are the DBA’s responsibilities regarding access privileges.pdf

2. What are the DBA’s responsibilities regarding access privileges.pdf

kamdinrossihoungma74

1- We use a t-test to determine whether two population variances are equal.a. Trueb. False 2- The F-distribution is the sampling distribution of the ratio of:a. two normal population variances.b. two normal population means.c. two sample variances.d. None of these choices. 3- The ratio of two independent chi-squared variables divided by their degrees of freedom is:a. F-distributedb. chi-squared distributedc. normally distributedd. Student t-distributed 1- We use a t-test to determine whether two population variances are equal.a. Trueb. False 2- The F-distribution is the sampling distribution of the ratio of:a. two normal population variances.b. two normal population means.c. two sample variances.d. None of these choices. 3- The ratio of two independent chi-squared variables divided by their degrees of freedom is:a. F-distributedb. chi-squared distributedc. normally distributedd. Student t-distributed 1- We use a t-test to determine whether two population variances are equal.a. Trueb. False 2- The F-distribution is the sampling distribution of the ratio of:a. two normal population variances.b. two normal population means.c. two sample variances.d. None of these choices. 3- The ratio of two independent chi-squared variables divided by their degrees of freedom is:a. F-distributedb. chi-squared distributedc. normally distributedd. Student t-distributed 1- We use a t-test to determine whether two population variances are equal.a. Trueb. False 1- We use a t-test to determine whether two population variances are equal.a. Trueb. False 1- We use a t-test to determine whether two population variances are equal.a. Trueb. False 1- We use a t-test to determine whether two population variances are equal.a. Trueb. False 1- We use a t-test to determine whether two population variances are equal.a. Trueb. False 1- We use a t-test to determine whether two population variances are equal.a. Trueb. False 1- We use a t-test to determine whether two population variances are equal. 2- The F-distribution is the sampling distribution of the ratio of:a. two normal population variances.b. two normal population means.c. two sample variances.d. None of these choices. 2- The F-distribution is the sampling distribution of the ratio of:a. two normal population variances.b. two normal population means.c. two sample variances.d. None of these choices. 2- The F-distribution is the sampling distribution of the ratio of:a. two normal population variances.b. two normal population means.c. two sample variances.d. None of these choices. 2- The F-distribution is the sampling distribution of the ratio of: 3- The ratio of two independent chi-squared variables divided by their degrees of freedom is:a. F-distributedb. chi-squared distributedc. normally distributedd. Student t-distributed 3- The ratio of two independent chi-squared variables divided by their degrees of freedom is:a. F-distributedb. chi-squared distributedc. normally distributedd. Student t-distributed 3- The ratio of two .

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1- We use a t-test to determine whether two po.pdf

kamdinrossihoungma74

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