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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 2

9.7 Hypothesis Test to Compare Two Population Means: Matched-Pair Experiments

A fitness researcher has decided to test the weight loss effects of a sprinting program versus a traditional jogging plan. Each participant engaged in the running programs for 3 months, but some did the jogging first and other did the sprinting first. Use the results below and a 5% significance level to test the claim that the sprinting program produces more weight loss than the jogging.
Sprinting weight loss 10 6 5 12 15 12 4 8 9
Jogging weight loss     8 4 0 12 8  10  1 2 11
 

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