arithmeticmean 1.01,1.03,0.98,0.99,1.01,1.02,0.98,1.05,0.97,0.98

解答

平均值

1.01, 1.03, 0.98, 0.99, 1.01, 1.02, 0.98, 1.05, 0.97, 0.98

1.002

求解步骤

计算数据集的和:

i = 1 \sum n a_{i} = 10.02

计算数据集中的项的数量:

n = 10

将和除以项的数量然后化简:

1.002

= 1.002