問題詳情

 4. The dean of the Business School at a smal Florida college wishes to determine whether the grade-point average (GPA) ofa graduating student can be used to predict the graduate's starting salary. More specifically, the dean wants to knowWhether higher GPAs lead to higher starting salaries, Records for 23 of last year's Business School graduates are selected atrandom, and data on GPA (x) and stating salary (y, in $thousands) for each graduate were used to fit the mode!
  

The results of the simple linear regression are provided below,

Calculate the value of r2, the coefficient of determination.
(A)0.339
(B) 0.661
(C)0.934
(D)0.872 

參考答案

答案:[無官方正解]
難度:計算中-1
書單:沒有書單,新增