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Essay Quiz
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1

Discuss the “logic behind inferential statistics.” Specifically, how does an inferential statistic allow you to make inferences about the population or populations from which your samples are drawn?
2

Discuss the role of statistical errors in decision making. Define the two types of errors and how each might be controlled.
3

Compare and contrast one-tailed and two-tailed statistics. What factors affect your decision to use one over the other? How does your decision influence the probability of obtaining a statistically significant effect?
4

What is power, why is it important, and what affects it?
5

What does a large effect size indicate? A small one?
6

Compare and contrast practical and statistical significance.
7

What are data transformations, and when would you use them?





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