A Study Was Conducted to Determine If There Was a Relationship

question 20

Multiple Choice

A study was conducted to determine if there was a relationship between the prices a non-member of a club paid for various publications and the prices that a member paid for the same publications.The data
Gathered are shown below.What is the value of the correlation coefficient?

• A)0.762
• B)0.857
• C)0.679
• D)0.932

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Definitions:

Electrocardiogram

A test or record of the electrical activity of the heart over a period of time.

Electroencephalogram

A test that measures electrical activity in the brain using small, flat metal discs attached to the scalp.

Electromyogram

An electromyogram (EMG) is a diagnostic test that measures the electrical activity generated by muscles in order to assess their health and function.

Pacemaker Cells

Specialized heart cells that control the heart's rate by generating and conducting electrical signals.