null device 1 One Sample t-test data: Rmean t = 423.35, df = 365, p-value < 2.2e-16 alternative hypothesis: true mean is not equal to 0 95 percent confidence interval: 21.70300 21.90556 sample estimates: mean of x 21.80428 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 = 0.95557, p-value = 4.585e-09 $stats 60 359 290 269 216 18.90000 20.97500 22.00000 22.65000 23.54286 $n [1] 366 $conf [1] 21.86167 22.13833 $out named numeric(0) null device 1 null device 1 null device 1 null device 1 One Sample t-test data: Rmean t = 423.35, df = 365, p-value < 2.2e-16 alternative hypothesis: true mean is not equal to 0 95 percent confidence interval: 21.70300 21.90556 sample estimates: mean of x 21.80428 null device 1