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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
13.2 Checking the Assumptions for a Chi-Square Goodness-of-Fit Test
Researchers sample a random selection of divorced workers at a corporation and test if the percentage of divorces that involve blue collar workers is 50%; white collar workers is 45%; and executives is 5% . Does the data collected below fit the sample size requirement for a X2 one-way test?
Blue-collar White-collar Executives
50 35 4
STATS1
STATS2
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