Chapter 14.3, Problem 1LC

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8th Edition

Frederick J Gravetter + 1 other

ISBN: 9781133956570

Textbook Problem

A researcher finds a correlation of *r* = –0.71 between the time spent playing video games each week and grade point average for a group of high school boys. This means that playing video games causes students to get lower grades. (True or false?)

To determine

Is the statement “A correlation of -0.71 between the time spent playing video games each week and grade point average means that playing video games causes students to get lower grades” true or false.

Explanation

**Given info:**

A correlation of -0.71 between the time spent playing video games each week and grade point average means that playing video games causes students to get lower grades.

**Justification:**

Correlation is simply a measure of linear relationship between two variables. It does not necessarily indicate a cause-and-effect relationship...

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