Ch 4 - 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

Chapter 4 - Intro to Stats for Community College Students (updated 5/12/20)

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 4B: Problem 26, Problem 30, Problem 32
Section 4C: Problem 26, Problem 32, Problem 34
Section 4D: Problem 26, Problem 30, Problem 32
Section 4F: Problem 30, Problem 32

Matt's Statistics Lecture Videos on YouTube

Introduction to the Two-population Proportion Hypothesis Test: Part 1, Part 2, Part 3, Notes
Two-population Proportion Hypothesis Test with Statcato and StatKey: Part 1, Part 2
Introduction to the Two-population Mean and Matched Pair Hypothesis Test: Part 1, Part 2, Notes
Two-population Mean and Matched Pair Hypothesis Test with Statcato and StatKey: Part 1, Part 2
Introduction to the ANOVA Hypothesis Test: Part 1, Part 2, Notes
ANOVA Hypothesis Test with Statcato and StatKey: Part 1, Part 2
Introduction to the Goodness of Fit Hypothesis Test: Part 1, Part 2, Notes
Goodness of Fit Hypothesis Test with Statcato and StatKey: Part 1, Part 2
Introduction to Contingency Table Proportions: Part 1, Part 2, Part 3, Part 4, Notes 1, Notes 2
Contingency Table Proportions with 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