# Content Tagged “Direction”

## Case Q-Q: Linear Relationships – Correlation

Published: Sep 4th, 2013

View Lecture Slides with Transcript Video (8:37) This document is linked from Linear Relationships – Correlation.

## Case QQ: Scatterplots

Published: Sep 4th, 2013

View Lecture Slides with Transcript – Case QQ: Scatterplots Video (7:20) This document is linked from Scatterplots.

## Little Handbook – Correlation Coefficients

Published: Dec 26th, 2012

View the Reading (≈ 2700 words) From the online version of Little Handbook of Statistical Practice, this reading contains a detailed discussion of correlation. This document is linked from Linear Relationships – Correlation.

## 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 – 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

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 […]

## Linear Relationships – Correlation

Published: Aug 21st, 2012

IMPORTANT: The methods covered in this section on correlation are only applicable for LINEAR relationships.   Introduction The Correlation Coefficient — r Interpretation Properties of r CO-4: Distinguish among different measurement scales, […]

## Scatterplots

Published: Aug 21st, 2012

Creating Scatterplots Interpreting Scatterplots Direction Form Strength A Labeled (or Grouped) Scatterplot Let’s Summarize CO-4: Distinguish among different measurement scales, choose the appropriate descriptive and inferential statistical methods based on these […]