'Sample standard deviations' diaporamas de présentation

Hypothesis Testing

Hypothesis Testing. LIR 832 Lecture #3 January 30, 2007. Topics of the Day. A. Our Fundamental Problem Again: Learning About Populations from Samples B. Basic Hypothesis Testing: One Tailed Tests Using a Z Statistic C. Probability and Critical Cutoff Approaches: Really the Same Thing

1.36k views • 109 slides

Hypothesis Testing

Hypothesis Testing. LIR 832 Lecture #3 January 30, 2007. Topics of the Day. A. Our Fundamental Problem Again: Learning About Populations from Samples B. Basic Hypothesis Testing: One Tailed Tests Using a Z Statistic C. Probability and Critical Cutoff Approaches: Really the Same Thing

1.09k views • 109 slides

Statistics (1) Fall 2009

555 views • 40 slides

Two-sample Tests of Hypothesis

Two-sample Tests of Hypothesis. Chapter 11. GOALS. Conduct a test of a hypothesis about the difference between two independent population means. Conduct a test of a hypothesis about the difference between two population proportions.

403 views • 38 slides

Lecture 1 Interpretation of data

Lecture 1 Interpretation of data. 1.1 A study in anorexia nervosa 1.2 Testing the difference between the samples 1.3 Confidence intervals for treatment effects. 1.1 A study in anorexia nervosa. Ben-Tovim, Whitehead and Crisp (1979)

582 views • 25 slides

323 views • 19 slides

Variance

284 views • 18 slides

13.1: Comparing 2 means

182 views • 10 slides