College football players trying out for the NFL are given the Wonderlic standardized intelligence test. The attached file (Wonderlic) contains the average Wonderlic score of football players trying out for the NFL and the graduation rate for football players at selected schools.

a) Compute the covariance.

b) Compute the coefficient of correlation.

c) Based on (a) and (b), what conclusions can your reach about the relationship between the average Wonderlic score and graduation rate?

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## This question was asked on Jan 24, 2013 and answered on Jan 24, 2013.

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