我们收集了 92 名员工的体重数据,用软件对其进行分析处理,请问重量标准差是：Descriptive Statistics:Variable NN*MeanWeightSE MeanStDevMinimumQ1MedianQ3Weight920145.152.4823.7495.00125.00145.00156.50Variable MaximumWeight215.00
A.92
B.145.15
C.2.48
D.23.74
正确答案是D