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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

Example 105

Example 105:  A study found the body temperatures of 106 healthy adults.  The sample mean was 98.2 degrees and the sample standard deviation was 0.62 degrees.  Find the margin of error E and the 95% confidence interval for µ.  Does the interval contradict the claim that the body temperature of healthy adults is 98.6 degrees?

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