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
中位数 64,65,63,66,66,65,66,69,66,63arithmeticmean 90,90,95,100,80,75,80,70,60,95,100,100,100,75,80,90,90,90,70,70,80,85,90,90,85std 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 95,45,37,82,90,100,91,78,67,84,85,85,82,91,93,92,76,84,100,59,92,77,68,88