QA 6. Hypothesis Testing: LOs

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

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

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

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

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

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

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

h) Explain the problem of multiple testing and how it can bias results.