'Paired differences' diaporamas de présentation

Analyzing Data using SPSS

1.49k views • 99 slides

Chapter 9

Chapter 9. Statistical Inferences Based on Two Samples. Statistical Inferences Based on Two Samples. 9.1 z Tests about a Difference in Population Means: One-Tailed Alternative 9.2 z Tests about a Difference in Population Means: Two-Tailed Alternative

730 views • 57 slides

Chapter 9 Estimation and Hypothesis Testing for Two Population Parameters

Chapter 9 Estimation and Hypothesis Testing for Two Population Parameters. Chapter Goals. After completing this chapter, you should be able to: Test hypotheses or form interval estimates for two independent population means Standard deviations known Standard deviations unknown

2.48k views • 50 slides

Chapter 24

Chapter 24. Paired Samples and Blocks. Paired Data. Data are paired when the observations are collected in pairs or the observations in one group are naturally related to observations in the other group.

195 views • 19 slides

Dependent t-Test

Dependent t-Test. CJ 526 Statistical Analysis in Criminal Justice. Overview. Dependent Samples Repeated-Measures. When to Use a Dependent t-Test. Two Dependent Samples Repeated-Measures Design (before-after) Matched-Subjects Design. Example of a Dependent t-Test.

372 views • 16 slides

9-4

102 views • 10 slides