当前位置:网站首页>已知某种木材的横纹抗压力服从N(x,d2),现对十个试件作横纹抗压力试验,得数据如下:(单位:kg/cm2)
已知某种木材的横纹抗压力服从N(x,d2),现对十个试件作横纹抗压力试验,得数据如下:(单位:kg/cm2)
2022-06-10 22:13:00 【Mrrunsen】

要求:写出R语言程序及输出结果。
x = c(482,493,457,471,510,446,418,394,469)
tmp = 1.96 * sd(x) / length(x)
mean(x) - tmp
mean(x) + tmp

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