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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
Use the crime data above to calculate the correlation coefficient for the variables % earning < $5,000 and murder rate. Is there linear relationship? If so is it positive or negative?
Note:
SSxx 199.732
SSxy 511.192
SSyy 1855.202
Calculate the coefficient of determination, r2 for the problem above and interpret it.
STATS1
STATS2
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