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覈讌 .
覈讌 覿螳 企 覈企讌 蟯. 襷 蠏 企慨. 伎 蟆蟆 襷 覦覲牛覃 れ 蠏れ . 蠏れ 覿 蠏覿. 企 ..
x <- rnorm(10000, mean=100, sd=10) x <- c(x, rnorm(10000, mean=70, sd=10)) mu <- c() for(i in 1:1000){ mu <- c(mu, mean(sample(x, 4))) } par(mfrow=c(1,2)) hist(x, main="覈讌") hist(mu, main="譴蠏麹襴") par(mfrow=c(1,1))
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願 覦襦 螳企. 螻 襦 企螻 襷 蠍 襴 螳 螳 磯 10 蟇碁Π. (A. 豺企) |