null device 1 One Sample t-test data: Rmean t = 473.71, df = 365, p-value < 2.2e-16 alternative hypothesis: true mean is not equal to 0 95 percent confidence interval: 22.70374 22.89302 sample estimates: mean of x 22.79838 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 = 0.90791, p-value = 3.938e-14 $stats 60 358 320 150 231 20.82500 21.94118 23.05441 23.61765 24.14375 $n [1] 366 $conf [1] 22.91596 23.19287 $out named numeric(0) null device 1 null device 1 null device 1 null device 1 One Sample t-test data: Rmean t = 473.71, df = 365, p-value < 2.2e-16 alternative hypothesis: true mean is not equal to 0 95 percent confidence interval: 22.70374 22.89302 sample estimates: mean of x 22.79838 null device 1