A t-test is a type of inferential statistic which is used to determine if there is a significant difference between the means of two groups which may be
related in certain features. The T-test is used as a hypothesis testing tool, which allows testing of an assumption applicable to a population
This presentation educates you about T-Test, Key takeways, Assumptions for Performing a t-test, Types of t-tests, One sample t-test, Independent two-sample t-test and Paired sample t-test.
For more topics Stay tuned with Learnbay
A t-test is a type of inferential statistic which is used to determine if there is a significant difference between the means of two groups which may be
related in certain features. The T-test is used as a hypothesis testing tool, which allows testing of an assumption applicable to a population
This presentation educates you about T-Test, Key takeways, Assumptions for Performing a t-test, Types of t-tests, One sample t-test, Independent two-sample t-test and Paired sample t-test.
For more topics Stay tuned with Learnbay
Analysis of Variance - Meaning and TypesSundar B N
This vides briefed the meaning, Introduction, Definition, Application, Classification and Types of ANOVA.
Video link https://youtu.be/YLHGYVMH2T4
Subscribe to Vision Academy
https://www.youtube.com/channel/UCjzpit_cXjdnzER_165mIiw
Comparing the unpaired t test, small sample formula with the one with large sample formula and the Welch's test. The latter is an unpaired t test for samples of unequal sizes with unequal variances.
Analysis of Variance - Meaning and TypesSundar B N
This vides briefed the meaning, Introduction, Definition, Application, Classification and Types of ANOVA.
Video link https://youtu.be/YLHGYVMH2T4
Subscribe to Vision Academy
https://www.youtube.com/channel/UCjzpit_cXjdnzER_165mIiw
Comparing the unpaired t test, small sample formula with the one with large sample formula and the Welch's test. The latter is an unpaired t test for samples of unequal sizes with unequal variances.
Jeff Gartin Photography is an Atlanta based location photographer specializing in all phases
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on real people, products, and architecture.
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VAT Registration Outlined In UAE: Benefits and Requirementsuae taxgpt
Vat Registration is a legal obligation for businesses meeting the threshold requirement, helping companies avoid fines and ramifications. Contact now!
https://viralsocialtrends.com/vat-registration-outlined-in-uae/
Improving profitability for small businessBen Wann
In this comprehensive presentation, we will explore strategies and practical tips for enhancing profitability in small businesses. Tailored to meet the unique challenges faced by small enterprises, this session covers various aspects that directly impact the bottom line. Attendees will learn how to optimize operational efficiency, manage expenses, and increase revenue through innovative marketing and customer engagement techniques.
Cracking the Workplace Discipline Code Main.pptxWorkforce Group
Cultivating and maintaining discipline within teams is a critical differentiator for successful organisations.
Forward-thinking leaders and business managers understand the impact that discipline has on organisational success. A disciplined workforce operates with clarity, focus, and a shared understanding of expectations, ultimately driving better results, optimising productivity, and facilitating seamless collaboration.
Although discipline is not a one-size-fits-all approach, it can help create a work environment that encourages personal growth and accountability rather than solely relying on punitive measures.
In this deck, you will learn the significance of workplace discipline for organisational success. You’ll also learn
• Four (4) workplace discipline methods you should consider
• The best and most practical approach to implementing workplace discipline.
• Three (3) key tips to maintain a disciplined workplace.
Implicitly or explicitly all competing businesses employ a strategy to select a mix
of marketing resources. Formulating such competitive strategies fundamentally
involves recognizing relationships between elements of the marketing mix (e.g.,
price and product quality), as well as assessing competitive and market conditions
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Putting the SPARK into Virtual Training.pptxCynthia Clay
This 60-minute webinar, sponsored by Adobe, was delivered for the Training Mag Network. It explored the five elements of SPARK: Storytelling, Purpose, Action, Relationships, and Kudos. Knowing how to tell a well-structured story is key to building long-term memory. Stating a clear purpose that doesn't take away from the discovery learning process is critical. Ensuring that people move from theory to practical application is imperative. Creating strong social learning is the key to commitment and engagement. Validating and affirming participants' comments is the way to create a positive learning environment.
1. Two means of small samples (n<30) – first we test if the standard deviations are the same so we can decide which t calculation to use.
2. Then we can do the hypothesis test to compare the means. In this case, the standard deviations were the same so we used the longer t formula with more degrees of freedom (n1+n2-2).
3. Two means of small dependent samples – we can find differences of pairs, and compute an average difference which might be zero, positive or negative.
5. Two proportions – requires a “weighted estimate of population proportion” using both sample proportions, in order to compute a standard error for the sampling distribution.
