null device 1 One Sample t-test data: Rmean t = 596.09, df = 365, p-value < 2.2e-16 alternative hypothesis: true mean is not equal to 0 95 percent confidence interval: 29.57474 29.77052 sample estimates: mean of x 29.67263 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 = 0.95926, p-value = 1.513e-08 $stats 37 99 113 208 247 27.90588 28.86471 29.87353 30.36471 31.60625 $n [1] 366 $conf [1] 29.74965 29.99741 $out named numeric(0) null device 1 null device 1 null device 1 null device 1 One Sample t-test data: Rmean t = 596.09, df = 365, p-value < 2.2e-16 alternative hypothesis: true mean is not equal to 0 95 percent confidence interval: 29.57474 29.77052 sample estimates: mean of x 29.67263 null device 1