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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

Graphing Calculator Example

8.6 Hypothesis about a Population Proportion

A senatorial candidate claims that most of the people in the country feel they are worse off today than they were two years ago.  A poll of 500 people in the country reveals that 255 feel they are worse off today than two years ago.  At the 10% significance level, test the senatorial candidates claim.

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