'2 2 df' presentation slideshows

2 2 df - PowerPoint PPT Presentation

Midterm Review Session

Midterm Review Session

Midterm Review Session. Things to Review. Concepts Basic formulae Statistical tests. Things to Review. Concepts Basic formulae Statistical tests. P opulations <-> P arameters; S amples <-> E s timates. Nomenclature.

★ ★ ★ ★ ★

537 views • 53 slides
Testing means, part III The two-sample t-test

Testing means, part III The two-sample t-test

Testing means, part III The two-sample t-test. One-sample t-test. Null hypothesis The population mean is equal to ? o. Sample. Null distribution t with n-1 df. Test statistic. compare. How unusual is this test statistic?. P > 0.05. P < 0.05. Reject H o. Fail to reject H o.

★ ★ ★ ★ ★

639 views • 45 slides
Testing means, part III The two-sample t-test

Testing means, part III The two-sample t-test

Testing means, part III The two-sample t-test. One-sample t-test. Null hypothesis The population mean is equal to ? o. Sample. Null distribution t with n-1 df. Test statistic. compare. How unusual is this test statistic?. P > 0.05. P < 0.05. Reject H o. Fail to reject H o.

★ ★ ★ ★ ★

459 views • 45 slides
Comparison of 2 Population Means

Comparison of 2 Population Means

Comparison of 2 Population Means. Goal: To compare 2 populations/treatments wrt a numeric outcome Sampling Design: Independent Samples (Parallel Groups) vs Paired Samples (Crossover Design) Data Structure: Normal vs Non-normal Sample Sizes: Large ( n 1 , n 2 >20) vs Small. Independent Samples.

★ ★ ★ ★ ★

424 views • 40 slides
Inferences about Variances ( Chapter 7)

Inferences about Variances ( Chapter 7)

Inferences about Variances ( Chapter 7). In this Lecture we will:. Develop point estimates for the population variance Construct confidence intervals for the population variance. Perform one-sample tests for the population variance. Perform two-sample tests for the population variance.

★ ★ ★ ★ ★

320 views • 16 slides

View 2 2 df PowerPoint (PPT) presentations online in SlideServe. SlideServe has a very huge collection of 2 2 df PowerPoint presentations. You can view or download 2 2 df presentations for your school assignment or business presentation. Browse for the presentations on every topic that you want.