Question

During final exam week, Mary had exams in psychology, art history, and biology, All three distributions had normal distributions. On which test did Mary do best a, relative to her classmates, and on which test did she do worst b? (show how you reached your conclusions).

 

                   Psychology                       Art History         Biology 

Mean                84                                   37                   123

SD                    14                                   8                     12

Mary's Score     90                                  45                      145  

(Mary’s ki jagah Kelsey likhna hai Question aura ns dono me)