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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

Another Calculator Example

Some researchers think that divorce is more likely when a couple marries at a young age.  One researcher claims that the average divorced male was younger than 25 on the day of his wedding.  A study of 33 divorced males shows their average age on the day of their wedding was 24.3 with a standard deviation of 2.5 years.  At the 3% significance level and the p-value method to test the researcher’s claim.

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