null device 1 One Sample t-test data: Rmean t = 636.38, df = 365, p-value < 2.2e-16 alternative hypothesis: true mean is not equal to 0 95 percent confidence interval: 29.88211 30.06736 sample estimates: mean of x 29.97473 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 = 0.96453, p-value = 9.345e-08 $stats 2 356 135 224 247 28.25294 29.18824 30.05000 30.61176 31.72941 $n [1] 366 $conf [1] 29.93243 30.16757 $out named numeric(0) null device 1 null device 1 null device 1 null device 1 One Sample t-test data: Rmean t = 636.38, df = 365, p-value < 2.2e-16 alternative hypothesis: true mean is not equal to 0 95 percent confidence interval: 29.88211 30.06736 sample estimates: mean of x 29.97473 null device 1