GRE
$$k$$
$$1$$
The 90th percentile of the 1,000 scores
45
The median of the 15 annual salaries
$35,900
The median number of defective lightbulbs per box for the fifty boxes
1
The number of club members who exercised between 1 hour and 1 hour 40 minutes yesterday
300
$$r^2$$
$$6$$
25000 +道题目
269本备考书籍