matt Teachout

 College of the Canyons Math Department

College of the Canyons

Valencia Campus
26455 Rockwell canyon road 
Santa Clarita, CA 91355

(661) 259-7800

College of the Canyons

Canyon Country Campus
17200 Sierra Highway 
Santa Clarita, CA 91351

​(661) 362-3800

Chapter 4 - Categorical and Quantitative Relationship Tests

The following sections and problem sets are from chapter 4 in the free OER statistics book
Introduction to Statistics for Community College Students​ (1st edition) by Matt Teachout (updated 9/28/19)

                                     Topics Covered                                            Sections from Book            Problem Sets  
​ -Categ/Quant Relationships, Two-pop Mean Hypothesis Test                  Section 4A                 Problems 4A

                  T-test Statistic, Randomized Simulation
-Categ/Quant Relationships, ANOVA, F-Test Statistic, Variance                Section 4B                 Problems 4B

        Between, Variance Within, Randomized Simulation

-Proportion Relationships, Two-pop Proportion Hypothesis Test               Section 4C                 Problems 4C 

                    Z-test Statistic, Randomized Simulation         

  -Proportion Relationships, Goodness of Fit Test, Expected Counts         Section 4D                 Problems 4D           Observed Counts, Chi-Squared Test Statistic, Randomized Simulation                                     

    -Categorical Relationships, Contingency Tables, Marginal %,                Section 4E                  Problems 4E

                              Joint % and Conditional %
 -Categorical Relationships, Categorical Association Test, Expected          Section 4F                 Problems 4F

        Counts, Observed Counts, Chi-Squared Test Statistic

   -Quantitative Relationships, Scatterplots, Correlation Coefficient,            Section 4G                Problems 4G

      Coefficient of Determination, Regression Line, Slope, Y-intercept
                   Standard Deviation of Residual Errors
         -Quantitative Relationships, Correlations Hypothesis Test,                 Section 4H                Problems 4H

      Assumptions, T-test Statistic for Slope, Randomized Simulation,
                    Residual Plot, Histogram of the Residuals
     
     
                                                                                                                Ch 4 Review Sheet​​

​                                                                                              Ch 4 Answers to Odd Problems  

                                                                                            (Answers 4A - 4H and review, updated 11/16/19)

Solutions to Matt's Book Problems on YouTube

• Section 4A: Problem 30, Problem 34, Problem 36
• Section 4C: Problem 26, Problem 32, Problem 34

Matt's Statistics Lecture Videos on YouTube

• Two-population Proportion Hypothesis Test Introduction: Part 1, Part 2, Part 3​, Notes
• Two-population Proportion Hypothesis Test with Statcato and StatKey:  Part 1, Part 2
• Two-population Mean and Matched Pair Hypothesis Test Introduction:  Part 1, Part 2​, Notes
• Two-population Mean and Matched Pair Hypothesis Test with Statcato and StatKey:  Part 1, Part 2
• ANOVA Hypothesis Test Introduction:  Part 1, Part 2, Notes
• ANOVA Hypothesis Test with Statcato and StatKey:  Part 1, Part 2
• Goodness of Fit Hypothesis Test Introduction:  Part 1, Part 2, Notes
• Goodness of Fit Hypothesis Test with Statcato and StatKey:  Part 1, Part 2
• Categorical Association Hypothesis Test Introduction:  Part 1, Part 2, Part 3, Notes
  
• Categorical Association Hypothesis Test and Contingency Tables
  ​     with Statcato and StatKey:  Part 1, Part 2, Part 3
  
• Correlation and Regression Introduction:  Part 1, Part 2, Part 3, Part 4, Notes
• Residual Errors Introduction:  Part 1, Part 2, Notes
• Correlation, Regression, and Residual Plots with Statcato and StatKey:  Part 1, Part 2, Part 3