An investigation was carried out to study the relationship between speed (ft/sec) and stride rate (number of

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An investigation was carried out to study the relationship between speed (ft/sec) and stride rate (number of steps taken/sec) among female marathon runners. Resulting summary quantities included n = 11, ((speed) = 205.4, ((speed) = 205.4, ((speed)2 = 3880.08, ((rate) = 35.16, ((rate)2 = 112.681, and ((speed) (rate) = 660.130.

a. Calculate the equation of the least squares line that you would use to predict stride rate from speed.

b. Calculate the equation of the least squares line that you would use to predict speed from stride rate.

c. Calculate the coefficient of determination for the regression of stride rate on speed of part (a) and for the regression of speed on stride rate of part (b). How are these related?

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a With y stride rate and x speed we have 0080466 and 0 y 1 x 351611 ...View the full answer

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Probability And Statistics For Engineering And The Sciences

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9th Edition

Authors: Jay L. Devore

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Question Posted: Jan 27, 2017 11:37 AM

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An investigation was carried out to study the relationship between speed (ft/sec) and stride rate (number of

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a With y stride rate and x speed we have 0080466 and 0 y 1 x 351611 ...View the full answer

Probability And Statistics For Engineering And The Sciences

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