EC 285 - Ch. 09 - Hypothesis Testing
EC 285 - Chapter 9 - Hypothesis Testing
Textbook: Introductory Business Statistics 2e (OpenStax), Chapter 9 · Slides: Chapter 9 slides
Covered in class: Tue Nov 10, Thu Nov 12, Tue Nov 17, Thu Nov 19
Goals (from the slides)
- Null and alternative hypotheses; decision rule
- Level of significance, rejection regions (lower-tail, upper-tail, two-tail)
- Type I and Type II errors, their relationship, and the power of a test
- Critical-value and p-value approaches
- Tests of the mean (sigma known -> Z; unknown -> t) and tests of a proportion