GRE
The average (arithmetic mean) of the 95 measurements
The median of the 95 measurements
s
2200
The average of the set of numbers
The range of the set of numbers
The product when multiplying 9 and the number of times he picks up 2 point cards
The number of times he picks up 4 point cards
The new average score
72
The actual average number of defective parts per box
0.94
25000 +道题目
5本备考书籍