GRE
The value of the 46th percentile
40
The range of the rest 30 people among them
30
The standard deviation of X when all the numbers in X increase by 3
The standard deviation of y when all the numbers in Y increase by 2
The standard deviation of 1, 11, 111
The standard deviation of 2, 22, 222
The standard deviation of the 30 ratingss
17
25000 +道题目
199本备考书籍