How Much Greater Is the Shared Variance Between Two Variables

question 10

Multiple Choice

How much greater is the shared variance between two variables if the Pearson correlation coefficient between them is -.4 than if it is .2?

• A)Half as much
• B)Four times as great
• C)Two times as great
• D)A quarter as much

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Definitions:

Ease Of Learning

A measure of how quickly and effectively a learner can acquire new knowledge or skills.

SAS Proficiency

The level of skill or expertise someone has with SAS (Statistical Analysis System), a software suite used for advanced analytics, multivariate analysis, business intelligence, data management, and predictive analytics.

Not Proficient

A term used to describe a lack of skill or expertise in a particular area or subject.

Column Proportion

A statistical measure representing the ratio of the number of data points in a column of a table to the total number of data points in all columns.