The Des Moines Register Recently Reported the Ratings of High

question 49

Essay

The Des Moines Register recently reported the ratings of high school sportsmanship as compiled by the Iowa High School Athletic Association. For each school the spectators and participants were rated by referees, where 1 = superior, and 5 = unsatisfactory. A regression analysis of the average scores given to wrestling spectators and wrestlers is shown below. Linear Fit
WrestSpectators = 0.667 + 0.701 Wrestlers ​ ​
a)Interpret the correlation between the ratings of spectators and wrestlers.
b)Interpret the coefficient of determination.
c)Interpret the value of the standard deviation about the least squares line.

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