null device 1 One Sample t-test data: Rmean t = 450.14, df = 365, p-value < 2.2e-16 alternative hypothesis: true mean is not equal to 0 95 percent confidence interval: 22.39577 22.59230 sample estimates: mean of x 22.49403 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 = 0.91474, p-value = 1.55e-13 $stats 51 106 320 161 232 20.62941 21.62941 22.75000 23.37647 24.02353 $n [1] 366 $conf [1] 22.60571 22.89429 $out named numeric(0) null device 1 null device 1 null device 1 null device 1 One Sample t-test data: Rmean t = 450.14, df = 365, p-value < 2.2e-16 alternative hypothesis: true mean is not equal to 0 95 percent confidence interval: 22.39577 22.59230 sample estimates: mean of x 22.49403 null device 1