null device 1 One Sample t-test data: Rmean t = 581.62, df = 365, p-value < 2.2e-16 alternative hypothesis: true mean is not equal to 0 95 percent confidence interval: 29.17612 29.37408 sample estimates: mean of x 29.2751 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 = 0.95201, p-value = 1.532e-09 $stats 2 347 172 150 247 27.21765 28.37647 29.48235 29.94118 31.12353 $n [1] 366 $conf [1] 29.35313 29.61158 $out named numeric(0) null device 1 null device 1 null device 1 null device 1 One Sample t-test data: Rmean t = 581.62, df = 365, p-value < 2.2e-16 alternative hypothesis: true mean is not equal to 0 95 percent confidence interval: 29.17612 29.37408 sample estimates: mean of x 29.2751 null device 1