中位数 5.2,6.1,4.5,8.6,7.8,8

解答

中位数

5.2, 6.1, 4.5, 8.6, 7.8, 8

6.95

求解步骤

按升序排列项

4.5, 5.2, 6.1, 7.8, 8, 8.6

找到升序集的中位数:

6.95

6.95

m e d ian 1.69, 1.7, 1.69, 1.71, 1.68, 1.69, 1.68, 1.7, 1.67, 1.68

9 n C r 5

P (36, 4)

m o d e 83, 93, 83, 86, 91, 90, 92

v a r ian ce 10, 16, 12, 15, 9, 16, 10, 17, 12, 15