null device 1 One Sample t-test data: Rmean t = 616.54, df = 365, p-value < 2.2e-16 alternative hypothesis: true mean is not equal to 0 95 percent confidence interval: 27.52943 27.70561 sample estimates: mean of x 27.61752 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 = 0.92075, p-value = 5.526e-13 $stats 31 110 319 164 243 26.07143 26.80714 27.80000 28.37857 29.01429 $n [1] 366 $conf [1] 27.67022 27.92978 $out named numeric(0) null device 1 null device 1 null device 1 null device 1 One Sample t-test data: Rmean t = 616.54, df = 365, p-value < 2.2e-16 alternative hypothesis: true mean is not equal to 0 95 percent confidence interval: 27.52943 27.70561 sample estimates: mean of x 27.61752 null device 1