1.求中位数：9, −9, 33, 24, 58, −11, 10, 22, 63

2.求中位数：49, 67, 40, 19, 39, 61, −15, 27, 21, −6

3.求中位数：−1, 48, 20, 50, 18, 76, −14

4.求中位数：22, −2, 10, 80, −9, 46, 69, −9

5.求中位数：56, 26, 52, 48, 39, 17, −3

6.求中位数：39, −1, 60, 42, 14, 39, −9, 25

7.求中位数：68, 66, 36, 16, 28, 44, 71, 31, 31

8.求中位数：3, 59, 33, 77, 68, 58, 31, 38

9.求中位数：46, −10, 60, 74, 17, 11, 77, 53, 18, 19

10.求中位数：5, −11, −3, 1, 34, 2, 54, 42, 18, −11

11.求中位数：47, −11, 52, 56, 28, 66, 2, 56, 44

12.求中位数：68, 32, 46, 33, 23, −7, 24

13.求中位数：51, 12, 6, −5, 45, 57, 35, 49, 80, 65

14.求中位数：55, −4, 36, 77, 30, 30, 37, 42

15.求中位数：64, 66, 76, 16, −3, 39, 65, 69, −15, 60