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Textbook Expert
Textbook ExpertVerified Tutor
16 Nov 2021

Given information

Swim  yards and the student’s heart rate (beats per minute) after swimming on a random sample of  days:

Step-by-step explanation

Step 1.

The obtained scatter graph and the regression line is as follows:

 

This graph clearly reflects that there’s only  points under the regression line while the other points are above regression linear line.

Thus, only % of the heart rate variation is explained by the regression equation and we must conclude that this association is not explainable under a linear relationship.

 

 

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