Understanding Basic Statistics 6th Edition by Charles Henry Brase,Corrinne Pellillo Brase

تمرين 37

Interpretation A job-performance evaluation form has these categories:
1 = excellent; 2 = good; 3 = satisfactory; 4 = poor; 5 = unacceptable
Based on 15 client reviews, one employee had
median rating of 4; mode rating of 1
The employee was pleased that most clients had rated her as excellent. The supervisor said improvement was needed because at least half the clients had rated the employee at the poor or unacceptable level. Comment on the different perspectives.