## STAT 303, 503-504, Spring 1996

Prof. H. Joseph Newton

Content of Exam 2

- Notes, Text, Review Session:
- Notes: Week 4.2 through Week 9
- Text: Sections 5.2, 6.1, 6.2, 7.1 (unstarred sections),
7.2, 7.3, 8.1, 8.2, 10.1 (unstarred sections, no contrasts
or multiple comparisons).
- Review Session: Wednesday, 5:30pm, 104 Halbouty (next to Blocker).

- Topics:
- Transformed statistics
- Sampling distributions
- Properties of Z, t, chi-square, and F curves
- Critical values and percentiles
- The 11 cases for confidence intervals and tests of hypotheses
- Central limit theorem
- Properties of point estimators (unbiased, minimum variance)
- Point estimators for the 11 situations, including pooled estimates
of variance and common proportions.
- Interpreting confidence intervals
- The algebra to get confidence intervals
- Testing hypotheses:
- Null and alternative hypotheses
- Type I and Type II errors
- p-values
- Interpreting Stataquest output

- One-Way ANOVA:
- Null and alternative hypotheses
- Between and within sample variation
- Stataquest output