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

تمرين 69

You are examining two data sets involving test scores, set A and set B. The score 86 appears in both data sets. In which of the following data sets does 86 represent a higher score Explain.
(a) The percentile rank of 86 is higher in set A than in set B.
(b) The mean is 80 in both data sets, but set A has a higher standard deviation.