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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

13.6 Testing Categorical Probabilities: Two-Way (Contingency) Table

Use the table below, which is from a study on heart disease and smoking, and a 0.005 significance level to test if smoking and heart disease are related.
Risk Factor      Heart Disease          No Heart Disease            Total
Smoker                    25                                   10                                35
Nonsmoker            14                                    51                                65
Total                         39                                    61                              100
 

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