Content Tagged Correlation Subscribe to RSS Feed

A measure of the relationship between two quantitative measures. The most common measure of correlation is Pearson’s correlation coefficient (r) which measures strength and direction of the linear relationship between two quantitative variables.

Case Q→Q

Published: Nov 14th, 2012

The following videos were created for this section and the full course summary and is presented in both locations. View Lecture Slides with Transcript for Parts G and H of […]

Linear Relationships – Correlation

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

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 […]

Case Q-Q

Case Q-Q

Published: Aug 21st, 2012

CO-4: Distinguish among different measurement scales, choose the appropriate descriptive and inferential statistical methods based on these distinctions, and interpret the results. LO 4.20: Classify a data analysis situation involving two variables […]

Case Q→Q

Case Q→Q

Published: Jul 28th, 2012

Learn By Doing: Supplemental Examples and Exercises for Unit 4B (Non-interactive Version) As we mentioned at the end of the Introduction to Unit 4B, we will focus only on two-sided […]