null device 1 One Sample t-test data: Rmean t = 650.76, df = 365, p-value < 2.2e-16 alternative hypothesis: true mean is not equal to 0 95 percent confidence interval: 28.76057 28.93492 sample estimates: mean of x 28.84775 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 = 0.92325, p-value = 9.56e-13 $stats 2 343 132 300 232 27.05385 28.11429 29.08231 29.54615 30.30625 $n [1] 366 $conf [1] 28.96405 29.20056 $out named numeric(0) null device 1 null device 1 null device 1 null device 1 One Sample t-test data: Rmean t = 650.76, df = 365, p-value < 2.2e-16 alternative hypothesis: true mean is not equal to 0 95 percent confidence interval: 28.76057 28.93492 sample estimates: mean of x 28.84775 null device 1