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Question: Consider the different post hoc tests discussed in the readings and respond to the following:
Describe the general rationale behind using post hoc tests (i.e., when they are used and why).
One of the advantages of using an ANOVA (compared to using t-tests) is also a disadvantage-using an ANOVA makes it necessary to use post hoc tests if there is a significant main effect. We use a post hoc test because there is one specific advantage in using an ANOVA. Explain why using an ANOVA naturally leads to the need to have post hoc tests (hint: consider what you are examining when you conduct a post hoc analysis).
Conducting a post hoc test is similar to conducting multiple t-tests. As a result, it would seem natural to want to bypass the ANOVA and just use repeated t-tests. Explain why this approach is not necessarily a good idea and why an ANOVA followed by a post hoc analysis is beneficial.
Describe an experimental hypothesis and explain which post hoc test you would use if you find a significant overall effect. Include in your explanation the pros and cons of each test in making your decision.
What assumptions about the number of pedestrians passing the location in an hour are necessary for your hypothesis test to be valid?
Calculate the maximum reduction in the standard deviation
Calculate the expected value, variance, and standard deviation of the total income
Research paper examines determine the impact of social media use on student learning.
Find a statistics study on Unemployment and explain the five-step process of the study.
Locate the original poll, summarize the poling procedure (background on how information was gathered), the sample surveyed.
Evaluate the expected value of the total number of sales
Identify sample, population, sampling frame (if applicable), and response rate (if applicable). Describe sampling technique (if applicable) or experimental design
Write a report on simple data analysis and comparison.
Analyze the processed data in Statistical survey.
Find the probability of given case.
Accepting Manipulation or Manipulating
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