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ASK THE PROFESSOR FORUM Course Documents

Chapter 1 - Intro

Chapter 2 - Methods for Describing Sets of Data

Chapter 3 - Probability

Chapter 4 - Discrete Random Variables

Chapter 5 - Normal Random Variables

Chapter 6 - Sampling Distributions

Chapter 7 - Confidence Intervals

Chapter 8 - Tests of Hypothesis: One Sample

Chapter 9 - Confidence Intervals and Hypothesis Tests: Two Samples Sample Exam I: Chapters 1 & 2

Sample Exam II: Chapters 3 & 4

Sample Exam III: Chapters 5 & 6

Sample Exam IV: Chapters 7 & 8

# Chapter 9 - Confidence Intervals and Hypothesis Tests: Two Samples

9.1 Z-Interval to Compare Two Population Means: Independent Samples

9.2 Z-Test to Compare Two Population Means: Independent Samples

9.3 t-Interval to Compare Two Population Means: Independent Samples (Equal Variances)

9.4 t-Test to Compare Two Population Means: Independent Samples (Equal Variances)

9.5 t-Interval to Compare Two Population Means: Independent Samples (Unequal Variances)

9.6 t-Test to Compare Two Population Means: Independent Samples (Unequal Variances)

9.7 Hypothesis Test to Compare Two Population Means: Matched-Pair Experiments

9.8 Confidence Interval to Compare Two Population Means: Matched-Pair Experiments

9.9 Inference Procedures to Compare Two Population Proportions: Independent Sampling

9.10 Using the f-table to Find Critical Values

9.11 Hypothesis Test to Compare Two Population Variances: Independent Sampling