Topic: Unit 4: Inference for Quantitative Data: Means

Mean of the Sampling Distribution of x-bar

Robustness of t Procedures

Reducing Paired Data to One-Sample Differences

Pooled Versus Unpooled Two-Sample Intervals

One-Sided Versus Two-Sided Alternatives for a Mean

Matching Subjects Into Pairs

Is a Statistically Significant Difference in Means Practically Important?

Interpreting the Test Statistic for Two Means

Identifying the Parameter in a Mean Problem

How Significance Level Affects Power and Errors