The Volume of Oxygen Consumed (In Liters Per Minute) While

question 19

Multiple Choice

The volume of oxygen consumed (in liters per minute) while a person is at rest and while a person is exercising (running on a treadmill) were both measured for 50 subjects. The goal is to determine if the volume of oxygen consumed during aerobic exercise can be estimated from the amount consumed at rest. The results are plotted below. If the outlier is removed, the correlation coefficient r will:

• A)increase.
• B)decrease.
• C)neither increase nor decrease.
• D)There is not enough information to determine the effect on r.

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