firstquartile 1,4,6,14,20,24,25,28,29,35,38,40,40,43,44,47,48

解答

下四分位数

1, 4, 6, 14, 20, 24, 25, 28, 29, 35, 38, 40, 40, 43, 44, 47, 48

17

求解步骤

按升序排列项

1, 4, 6, 14, 20, 24, 25, 28, 29, 35, 38, 40, 40, 43, 44, 47, 48

取升序集中的前半部分:

1, 4, 6, 14, 20, 24, 25, 28

1, 4, 6, 14, 20, 24, 25, 28

的中位数:

17

17

s t d - 30, 0, 14, 25

a r i t hm e t i c m e an 13, 11, 4, 5, 6, 9, 10, 12, 15, 16

m o d e 28, 28, 19, 20, 21, 22

s t d 36, 14, 21, 39, 11, 2

a r i t hm e t i c m e an 2, 10