解答
arithmeticmean
解答
求解步骤
计算数据集的和:
计算数据集中的项的数量:
将和除以项的数量然后化简:
流行的例子
std 100,100,90,90,90,80,80,80,80,80,70arithmeticmean 95,82,77,64,100,97,95,95,81,80,80,84,98,77,61,69,71,80,100,999中位数 95,45,37,82,90,100,91,78,67,84,85,85,82,91,93,92,76,84,100,59,92,77,68,88arithmeticmean 95,45,37,82,90,100,91,78,67,84,85,85,82,91,93,92,76,84,100,59,92,77,68,88众数 78,80,66,68,71,64,82,71,70,65,70,75,77,86,72