null device 1 One Sample t-test data: Rmean t = 407.72, df = 365, p-value < 2.2e-16 alternative hypothesis: true mean is not equal to 0 95 percent confidence interval: 22.81778 23.03896 sample estimates: mean of x 22.92837 null device 1 One-sample Kolmogorov-Smirnov test data: Rmean D = 1, p-value < 2.2e-16 alternative hypothesis: two-sided Shapiro-Wilk normality test data: Rmean W = 0.90187, p-value = 1.24e-14 $stats 30 358 319 208 248 20.98824 21.97059 23.35754 23.79412 24.53750 $n [1] 366 $conf [1] 23.20694 23.50814 $out named numeric(0) null device 1 null device 1 null device 1 null device 1 One Sample t-test data: Rmean t = 407.72, df = 365, p-value < 2.2e-16 alternative hypothesis: true mean is not equal to 0 95 percent confidence interval: 22.81778 23.03896 sample estimates: mean of x 22.92837 null device 1