1.求众数：80, 69, 34, 45, 40, 13, 77, 45, 38

2.求平均数：37, 43, 54, −7, 61, 34

3.求极差：52, 2, 0, 62, 57, 56, −8, −5, 15

4.求众数：44, 70, 26, 14, 21, 21, 21, 21

5.求平均数：57, 32, 36, 54, 15, 51, 50, 1

6.求平均数：36, 41, 63, −9, −3, 39, 57, 24

7.求中位数：−10, 78, 70, 34, −5, 79, 58

8.求平均数：69, 15, −3, −11, 56, 35, 9, −5, 15

9.求中位数：64, 37, 28, 23, 69, −13, −10, 58

10.求极差：13, −7, 52, −10, 3, 20

11.求平均数：32, 74, 50, 27, 36, −2, 35

12.求众数：26, 41, 16, 48, 36, 61, 40, 10, 61

13.求中位数：74, 63, 58, 26, −10, 77, −12, 23, 46

14.求平均数：23, 23, 54, 65, −6, −15

15.求中位数：29, 34, 15, 66, 64, 75, 16, 10