In Exercise 26, let the time (in seconds) to sprint 10 meters represent the x-values and the

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In Exercise 26, let the time (in seconds) to sprint 10 meters represent the x-values and the maximum weight (in kilograms) for which one repetition of a half squat can be performed represent the y-values. Calculate the correlation coefficient r. What effect does switching the explanatory and response variables have on the correlation coefficient?


Data from Exercise 26:

The maximum weights (in kilograms) for which one repetition of a half squat can be performed and the times (in seconds) to run a 10-meter sprint for 12 international soccer players


Maximum weight, x 175 155 210 190 150 180 2.05 1.77 1.42 Time, y 1.80 2.04 1.61 Maximum weight, x 185 160 170 190 180 16

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