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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 4

Use the data below to create the least squares prediction line for predicting the best finishing time of the New York City marathon given the temperature.
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

Find the prediction error for the actual best finish time in 1990 which was 150.75 minutes with a temperature of 73 degrees.
 

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