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Course Documents

Chapter 1 - Intro

Chapter 2 - Methods for Describing Sets of Data

Chapter 3 - Probability

Chapter 4 - Discrete Random Variables

Chapter 5 - Normal Random Variables

Chapter 6 - Sampling Distributions

Chapter 7 - Confidence Intervals

Chapter 8 - Tests of Hypothesis: One Sample

Chapter 9 - Confidence Intervals and Hypothesis Tests: Two Samples

Sample Exam I: Chapters 1 & 2

Sample Exam II: Chapters 3 & 4

Sample Exam III: Chapters 5 & 6

Sample Exam IV: Chapters 7 & 8

Example 157.5

Example 157.5 A study reported in 2010 in the Journal "Archive of Sexual Behavior" looked at Sexual practices in healthy Euro-American, Asian, and Hispanic female populations.  A portion of the research looked at the age of sexual debut (the age that women first engaged in intercourse)for women in the three study populations.  An ANOVA CRD was conducted using SPSS to determine if there was a difference in the age of sexual debut among the three groups of women.  The results are reported below.   Based on the results below, does there appear to be a significant difference between the groups of women?  Based on the results of the ANOVA procedure below, what (if any) multiple comparison procedure should be conducted on the data?

Tests of Between-Subjects Effects

Dependent Variable:Age@firstInter

Source

Type III Sum of Squares

df

Mean Square

F

Sig.

Race

10.953

2

5.476

1.037

.364

Error

221.867

42

5.283

 

 

Corrected Total

232.820

44

 

 

 

 

 

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