This document contains a summative test for Science 4 (Physics) with three sections: 1) a modified true/false section with 10 statements to identify as true and correct any underlined false words, 2) a matching section to match standard numbers to their scientific notation and significant figures counterparts, and 3) an application section describing a relationship scenario to solve using the scientific method. The test is accompanied by general instructions to write answers on paper and avoid erasures, as well as identifying information for the student and test details.
Directions The purpose of Project 8 is to prepare you for the final.docxeve2xjazwa
Directions: The purpose of Project 8 is to prepare you for the final, comprehensive exam and is set up EXACTLY the same. Questions 1 and 2 are not graded in this exercise, but are on the final. Be sure to answer them still so you can receive feedback. Once done with these, move into the calculation questions.
Be advised that you will need to decide which type of test to use in most of the problems. Please write out all pertinent information for each of the 4 steps of hypothesis testing. For the calculations, you only need to provide the values of all statistics for that test. There is no need to show work.
List the four Steps of the Hypothesis test:
Step 1 –
Step 2 –
Step 3 –
Step 4 –
This semester we have discussed the following statistical analyses.
Z-test
One-Sample
t
-test
Independent Groups
t
-test
Repeated Measures
t
-test
One-Way ANOVA
Repeated Measures ANOVA
Correlation
When do you use them? Please type your answer in the Test Used column.
ơ is given
µ is given
Groups Compared
Test Used
No
No
Looks at the same group at 2 different times or across two different conditions
Yes
Yes
Sample against population
Examines the degree to which two variables relate to one another
No
No
Looks at the same group at 2 or more times or across 2 or more conditions
No
No
Examines mean differences between two different groups
No
Yes
Sample against population
No
No
Examines mean differences between 2 or more groups
1. A researcher for a cereal company wanted to demonstrate the health benefits of eating oatmeal. A sample of 9 volunteers was obtained and each participant ate a fixed diet without any oatmeal for 30 days. At the end of the 30-day period, cholesterol was measured for each individual. Then the participants began a second 30-day period in which they repeated exactly the same diet except that they added 2 cups of oatmeal each day. After the second 30-day period, cholesterol levels were measured again and the researcher recorded the difference between the two scores for each participant. For this sample, cholesterol scores average M = 16 points lower with the oatmeal diet with SS = 538 for the difference scores.
10 points
·
Are the data sufficient to indicate a significant change in cholesterol level? Use a two-tailed test with α = .01.
·
Compute r
2
to measure the size of the treatment effect.
2. One possible explanation for why some birds migrate and others maintain year round residency in a single location is intelligence. Specifically, birds with smaller brain, relative to their body size, are not simply smart enough to find food during the winter and must migrate to warmer climates where food is easily available. Birds with bigger brains, on the other hand, are more creative and can find food even when the weather turns harsh. Following are hypothetical data similar to the actual results. The numbers represent relative brain size for the individual birds in each sample.
10 points
Non-Migrating
S.
Directions The purpose of Project 8 is to prepare you for the final.docxeve2xjazwa
Directions: The purpose of Project 8 is to prepare you for the final, comprehensive exam and is set up EXACTLY the same. Questions 1 and 2 are not graded in this exercise, but are on the final. Be sure to answer them still so you can receive feedback. Once done with these, move into the calculation questions.
Be advised that you will need to decide which type of test to use in most of the problems. Please write out all pertinent information for each of the 4 steps of hypothesis testing. For the calculations, you only need to provide the values of all statistics for that test. There is no need to show work.
List the four Steps of the Hypothesis test:
Step 1 –
Step 2 –
Step 3 –
Step 4 –
This semester we have discussed the following statistical analyses.
Z-test
One-Sample
t
-test
Independent Groups
t
-test
Repeated Measures
t
-test
One-Way ANOVA
Repeated Measures ANOVA
Correlation
When do you use them? Please type your answer in the Test Used column.
ơ is given
µ is given
Groups Compared
Test Used
No
No
Looks at the same group at 2 different times or across two different conditions
Yes
Yes
Sample against population
Examines the degree to which two variables relate to one another
No
No
Looks at the same group at 2 or more times or across 2 or more conditions
No
No
Examines mean differences between two different groups
No
Yes
Sample against population
No
No
Examines mean differences between 2 or more groups
1. A researcher for a cereal company wanted to demonstrate the health benefits of eating oatmeal. A sample of 9 volunteers was obtained and each participant ate a fixed diet without any oatmeal for 30 days. At the end of the 30-day period, cholesterol was measured for each individual. Then the participants began a second 30-day period in which they repeated exactly the same diet except that they added 2 cups of oatmeal each day. After the second 30-day period, cholesterol levels were measured again and the researcher recorded the difference between the two scores for each participant. For this sample, cholesterol scores average M = 16 points lower with the oatmeal diet with SS = 538 for the difference scores.
10 points
·
Are the data sufficient to indicate a significant change in cholesterol level? Use a two-tailed test with α = .01.
·
Compute r
2
to measure the size of the treatment effect.
2. One possible explanation for why some birds migrate and others maintain year round residency in a single location is intelligence. Specifically, birds with smaller brain, relative to their body size, are not simply smart enough to find food during the winter and must migrate to warmer climates where food is easily available. Birds with bigger brains, on the other hand, are more creative and can find food even when the weather turns harsh. Following are hypothetical data similar to the actual results. The numbers represent relative brain size for the individual birds in each sample.
10 points
Non-Migrating
S.
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1. Panabo City Adventist Academy
Purok 18, New Visayas, Panabo City
SUMMATIVE TEST
for SCIENCE 4 (Physics)
Name:_________________________________________ Date:___________________
Year & Section:__________________________________ Score: __________________
GENERAL INSTRUCTION: Write all your answers in your paper; don’t write anything in this sheet. Avoid ERASURES.
Test I. Modified TRUE or FALSE
Direction: Write your subject in bold letters if the statement is true and change the underlined word/s if otherwise.
1. Scientific Theory is a step by step or systematic approach to research.
2. Physics is a science that deals with the interactions between life and love.
3. Facts subject for changes or are constantly tested are referred to as Scientific Theory.
4. One kilometer is equivalent to one million centimetres.
5. SI Units is an abbreviation of International System of Units, which was formulated in 1960 at Paris, France.
6. Amount of Substance is the unit for mole (mol).
7. Scientific Notation is used in dealing with the very large numbers only.
8. Physics is both a way of thinking and a vast collection of knowledge.
9. We eliminate ambiguity when we use MAPEH in describing and explaining a certain phenomenon that is why it is
considered as the language of Physics.
10. There are seven significant figures in this measurement: 0.000075 cm.
Test II. Matching Type
Direction: Match the standard form of numbers from Column A to its Scientific Notation in Column B. and its
Significant Figures in Column C.
COLUMN A COLUMN B COLUMN C
__1. 0.0000000341 __A. 6.43217 X104 __a. 2 SF v. 0.0000000047002
__2. 3,411,000,000 __B. 3.4111 X10-10 __b. 3 SF w. 909,000,000,000,000
__3. 643,217.00 __C. 3.41 X10-8 __c. 4 SF x. 2.0 x103
__4. 0.00000000034111 __D. 4.1 X10-2 __d. 5 SF y. 0.00143078
__5. 0.041 __E. 3.411 X109 __e. 6 SF z. 30.03
Test III. Application
Direction: Read the situation and try to solve the problem you can find in the scenario using Scientific Method. (15 pts)
Mr. August and Ms. April are in a relationship for almost nine months. Mr. August is working as well as Ms.
April. Their workplaces are not too far from each other that Mr. August could still fetch Ms. April from work.
Unfortunately, Mr. August was transferred by his boss to their company’s main office abroad and he has to leave his
family and his girl. After seven months, Ms. April can no longer contact Mr. August; neither has she received any
messages from Mr. August.
Note: Enumerate first the Scientific Method before you answer.
“By HUMILITY and the FEAR of the LORD are riches, and honour, and life.” – Proverbs 22:4
Prepared by:
Sarah Jane C. Lambonao
Science 4 Teacher