null device 1 One Sample t-test data: Rmean t = 485.59, df = 365, p-value < 2.2e-16 alternative hypothesis: true mean is not equal to 0 95 percent confidence interval: 27.53907 27.76302 sample estimates: mean of x 27.65104 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 = 0.95056, p-value = 9.955e-10 $stats 2 334 191 147 249 25.43125 26.65625 27.97812 28.45000 29.80000 $n [1] 366 $conf [1] 27.82998 28.12627 $out named numeric(0) null device 1 null device 1 null device 1 null device 1 One Sample t-test data: Rmean t = 485.59, df = 365, p-value < 2.2e-16 alternative hypothesis: true mean is not equal to 0 95 percent confidence interval: 27.53907 27.76302 sample estimates: mean of x 27.65104 null device 1