# Correlation Quiz with Answers - 1 A positive value for a...

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1. A positive value for a correlation indicates _____. a. increases in X tend to be accompanied by increases in Y b. increases in X tend to be accompanied by decreases in Y c. a much stronger relationship than if the correlation were negative d. a much weaker relationship than if the correlation were negative 2. The Pearson correlation measures _____. a. the degree of relationship without regard to the form of the relationship b. the degree to which the relationship is consistently one directional c. the degree of linear relationship d. the degree of curvilinear relationship 3. A Pearson correlation of r = +0.85 indicates that a graph of the data would show ___. a. points clustered close to a line that slopes up to the right b. points clustered close to a line that slopes down to the right c. points widely scattered around a line that slopes up to the right d. points widely scattered around a line that slopes down to the right 4. A scatter plot shows a set of data points that are widely scattered around a line that slopes down to the

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## This note was uploaded on 01/06/2012 for the course EDP 371 taught by Professor Pituch during the Fall '08 term at University of Texas.

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Correlation Quiz with Answers - 1 A positive value for a...

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