arithmeticmean 88,92,86,84,100

解答

平均值

88, 92, 86, 84, 100

90

求解步骤

计算数据集的和:

i = 1 \sum n a_{i} = 450

计算数据集中的项的数量:

n = 5

将和除以项的数量然后化简:

90

= 90

r an g e 81, 92, 78, 93, 81, 76, 90

a r i t hm e t i c m e an - 7.5, - 9, - 10.5, - 12

a r i t hm e t i c m e an 4.85, 5.1, 5.5, 4.75, 4.5, 5, 6

a r i t hm e t i c m e an 90, 90, 90, 90, 90, 50, 50, 50, 50, 50, 50

m e d ian 93, 90, 90, 96, 94, 92