null device 1 One Sample t-test data: Rmean t = 478.85, df = 365, p-value < 2.2e-16 alternative hypothesis: true mean is not equal to 0 95 percent confidence interval: 27.08809 27.31150 sample estimates: mean of x 27.1998 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 = 0.96707, p-value = 2.379e-07 $stats 2 78 135 218 264 25.15882 26.22353 27.34706 28.01765 29.63529 $n [1] 366 $conf [1] 27.19889 27.49523 $out named numeric(0) null device 1 null device 1 null device 1 null device 1 One Sample t-test data: Rmean t = 478.85, df = 365, p-value < 2.2e-16 alternative hypothesis: true mean is not equal to 0 95 percent confidence interval: 27.08809 27.31150 sample estimates: mean of x 27.1998 null device 1