null device 1 One Sample t-test data: Rmean t = 379.13, df = 365, p-value < 2.2e-16 alternative hypothesis: true mean is not equal to 0 95 percent confidence interval: 21.37923 21.60216 sample estimates: mean of x 21.49069 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 = 0.94828, p-value = 5.127e-10 $stats 36 8 247 149 216 19.07647 20.52941 21.69118 22.45294 23.43529 $n [1] 366 $conf [1] 21.53232 21.85004 $out named numeric(0) null device 1 null device 1 null device 1 null device 1 One Sample t-test data: Rmean t = 379.13, df = 365, p-value < 2.2e-16 alternative hypothesis: true mean is not equal to 0 95 percent confidence interval: 21.37923 21.60216 sample estimates: mean of x 21.49069 null device 1