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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 112

Example 112:  Flesch ease of reading scores for 12 different pages randomly selected from J.K. Rowling’s Harry Potter and the Sorcerer’s Stone were calculated.  Find the 95% interval estimate of , the true mean Flesch ease of reading score for Harry Potter and the Sorcerer’s Stone (The 12 pages’ distribution appears to be bell-shaped with  = 80.75 and s = 4.68).

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