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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

Example 167tech

Example 167 tech: The data above was entered into Minitab, and the results of the data analysis are provided below. Use the Minitab output and a 1% significance level to test the claim that there is a linear relationship between the number of casino employees (in thousands) working in Mississippi and the crime rate per thousand.
Analysis of Variance

Source      DF   Adj SS   Adj MS  F-Value  P-Value
Regression   1  1.74493  1.74493    87.02    0.001
No Employees 1  1.74493  1.74493    87.02    0.001
Error        4  0.08020  0.02005
Total        5  1.82513


Model Summary

       S    R-sq  R-sq(adj)  
0.141602  95.61%     94.51%      


Coefficients

Term            Coef  SE Coef  T-Value  P-Value   
Constant     -0.387    0.285    -1.36    0.246
No Employees  0.1173   0.0126     9.33   0.001  


Regression Equation

Crime Rate = -0.387 + 0.1173 * (No Employees)
 

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