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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

11.6 Finding r the Coefficient of Correlation

Use the data below to find the correlation coefficient r. The data includes the finishing time of the New York City marathon and the temperature on the day of the race.
Temp       55            61          49       62          70          73          51             57
Time  145.283  148.717  148.3  148.1  147.617  146.4  144.667  147.533
 

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