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# School Stanford Purdue California UCLA Oregon Wisconsin Iowa Oregon State Nebraska Notre Dame Boston College Colorado Michigan Virginia Texas A

3.49:
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?
School Wonderlic Graduation% Stanford 28.8 85 Purdue 25.3 63 California 25.2 48 UCLA 24.0 55 Oregon 23.5 68 Wisconsin 23.2 56 Iowa 23.0 58 Oregon State 22.8 44 Nebraska 22.6 63 Notre Dame 22.5 77 Boston College 22.0 78 Colorado 21.8 43 Michigan 21.7 57 Virginia 21.5 75 Texas A & M 21.0 50 Florida 20.8 42 Ohio State 20.8 52 Penn State 20.7 74 Virginia Tech 20.7 58 Southern California 20.3 58 West Virginia 20.3 46 Arizona State 20.2 44 Kansas State 19.8 61 Georgia 19.8 53 Texas 19.7 34 North Carolina State 19.6 42 Florida State 19.4 49 Oklahoma 19.0 40 North Carolina 18.9 53 Arkansas 18.6 35 Auburn 18.5 48 LSU 18.5 42 Clemson 18.3 51 Alabama 18.2 49 South Carolina 17.9 54 Tennessee 17.7 38 Michigan State 16.6 41 Miami (Florida) 16.3 57

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g out for the NFL are given the Wonderlic standardized intelligence test. The attached file (Wonderlic) contains
of football players trying out for the NFL and the graduation rate for football...

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