# GSE Stat Methods II: Topic resources

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Course text: Moore, D. S., McCabe, G. P., & Craig, B. A. (2009). *Introduction to the practice of statistics* (6th ed). New York: W. H. Freeman.

Resources are listed by topic, in chronological order according to presentation in the course. For each topic, the corresponding section in the text is followed by a list of supplemental resources.

Topic resources are elements of the following:

- Statistics, a course offering from Open Learning Initiative (OLI), sponsored by Carnegie Mellon University
- Collaborative Statistics, by Barbara Illowsky, Ph.D. and Susan Dean, included in the Connexions repository, sponsored by Rice University
- SurfStat

## Contents

## Introduction to inference

Confidence interval; Significance tests; Power; Type I error; Type II error

Text: sections 6.1-6.4, pp. 353-410

## Inference for the mean of a population

Text: section 7.1, pp. 417-433

### One sample t-test

- OLI Statistics: Hypothesis testing for the population mean
- Screens 1-5 when sigma is known
- Screens 6-9 when sigma is unknown

- SurfStat: Discussion of t-test begins at the bottom of the page titled One continuous variable and continues on the following page

### Matched pairs t-test

- OLI Statistics: The matched pairs t-test is a two sample test using a one-sample method
- Collaborative Statistics: Matched or Paired Samples offers three examples illustrating in what instances to use the method.