假設檢驗 (檢定) - 陳鍾誠的網站
> x=rnorm(200) > t.test(x) One Sample t-test data: x t = -1.1695, df = 199, p-value = 0.2436 alternative hypothesis: true mean is not equal to 0 95 percent confidence interval: -0.21865305 0.05585082 sample estimates: mean of x -0.08140112 # 可以看一下 p 值的分布,...