null device 1 One Sample t-test data: Rmean t = 426.05, df = 365, p-value < 2.2e-16 alternative hypothesis: true mean is not equal to 0 95 percent confidence interval: 23.05528 23.26910 sample estimates: mean of x 23.16219 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 = 0.91373, p-value = 1.26e-13 $stats 30 361 316 197 273 21.26667 22.18462 23.50000 24.00714 24.76923 $n [1] 366 $conf [1] 23.34948 23.65052 $out named numeric(0) null device 1 null device 1 null device 1 null device 1 One Sample t-test data: Rmean t = 426.05, df = 365, p-value < 2.2e-16 alternative hypothesis: true mean is not equal to 0 95 percent confidence interval: 23.05528 23.26910 sample estimates: mean of x 23.16219 null device 1