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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 1

11.5 Confidence Interval for the Slope β1

Use the cricket data from above to find the 98% confidence interval estimate for the true slope for the linear relationship between temperature and the frequency of chirps. What does this interval indicate? indicate? (n = 15, SSxx = 631.64933, SSxy = 136.23333, SSyy = 41.993333)

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