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Interactive Applet – Effect of Changing the Slope or Intercept on the Line

Published: Dec 25th, 2012

This interactive applet allows you to see how changing the values of the slope and intercept changes the line. Interactive Applet: Changing the Slope or Intercept This document is linked from Linear Relationships […]

Interactive Applets – Regression by Eye

Published: Dec 25th, 2012

This interactive applet is part of the online content for Introduction to the Practice of Statistics, 8th Edition (Moore and McCabe). Add points to the scatterplot, then draw your guess at the regression line, […]

Learn By Doing – Correlation and Outliers (Software)

Published: Dec 24th, 2012

Use the solutions provided and complete the questions for practice with Case Q-Q. Optional: Create your own solutions using your software for extra practice. Objectives: Observe how an outlier can […]

Interactive Applet – Correlation and Outliers

Published: Dec 24th, 2012

To see how an outlier affects the correlation, use this applet to complete the tasks below. Interactive Applet: Correlation and Outliers Fill the scatterplot with a hypothetical positive linear relationship between X and […]

Did I Get This – Correlation Coefficient

Published: Dec 24th, 2012

      Hint This document is linked from Linear Relationships – Correlation.

Interactive Applets – Correlation

Published: Dec 24th, 2012

In order to get a better sense for how the value of r relates to the strength of the linear relationship, take a look at this applet from the Rosman/Chance collection which asks you to guess […]

Learn By Doing – Strength of Correlation

Published: Dec 24th, 2012

This document is linked from Linear Relationships – Correlation.

Linear Relationships – Linear Regression

Linear Relationships – Linear Regression

Published: Dec 24th, 2012

IMPORTANT: The methods covered in this section on linear regression are only applicable for LINEAR relationships.   Summarizing the Pattern of the Data with a Line In General Let’s Summarize CO-4: Distinguish among […]

Learn By Doing – Scatterplots (Software)

Published: Dec 24th, 2012

Use the solutions provided and complete the questions for practice with Case Q-Q. Optional: Create your own solutions using your software for extra practice. Objectives: Create and interpret a simple […]

Learn By Doing – Scatterplots

Learn By Doing – Scatterplots

Published: Dec 24th, 2012

A study examined how the percentage of participants who completed a survey is related to the monetary incentive that researchers promised to participants. Consider the relationship between these two quantitative […]