求救 一道英文计算题!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

来源：百度知道 编辑：UC知道 时间：2024/06/18 09:42:26
Generate 100 draws of a normal distribution with mean 10 and variance 4

what are the mean and variance of these draws? comment

Normal distribution, statistic question.
eeeeee i have to check my s1 book now......
so u want a graph fit those description?or calculate something?

variance：方差，公式中的σ
mean：正态分布的数学期望，公式中的u