QA 6. Hypothesis Testing

Learning Objectives

1) Construct an appropriate null hypothesis and alternative hypothesis and distinguish between the two.

2) Differentiate between a one-sided and a two-sided test and identify when to use each test.

3) Explain the difference between Type I and Type II errors and how these relate to the size and power of a test.

4) Understand how a hypothesis test and a confidence interval are related.

5) Explain what the p-value of a hypothesis test measures.

6) Construct and apply confidence intervals for one-sided and two-sided hypothesis tests and interpret the results of hypothesis tests with a specific confidence level.

7) Identify the steps to test a hypothesis about the difference between two population means.

8) Explain the problem of multiple testing and how it can lead to biased results.