null device 1 One Sample t-test data: Rmean t = 407.35, df = 365, p-value < 2.2e-16 alternative hypothesis: true mean is not equal to 0 95 percent confidence interval: 28.95024 29.23111 sample estimates: mean of x 29.09068 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 = 0.94148, p-value = 7.859e-11 $stats 3 86 117 275 261 26.33750 27.91250 29.46875 30.18750 31.71250 $n [1] 366 $conf [1] 29.28086 29.65664 $out named numeric(0) null device 1 null device 1 null device 1 null device 1 One Sample t-test data: Rmean t = 407.35, df = 365, p-value < 2.2e-16 alternative hypothesis: true mean is not equal to 0 95 percent confidence interval: 28.95024 29.23111 sample estimates: mean of x 29.09068 null device 1