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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

Problem 3

11.4 Hypothesis Tests about the Slope β1

Abdominal fat is dangerous for women (and men). It has been linked to heart disease. The data below lists waist measurements for women and their overall cholesterol level. At the 2% significance level, test for a linear relationship between waist circumference in women and their cholesterol level.
Waist       67.2   82.5   66.7   93   82.6   75.4   73.6   81.4   99.4   67.7   100.7   99.3   85.7   85.7
Cholest.   264   181     267 384    98      62     126      89     531    130     175     280    149    112
 

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