null device 1 One Sample t-test data: Rmean t = 492.72, df = 365, p-value < 2.2e-16 alternative hypothesis: true mean is not equal to 0 95 percent confidence interval: 26.71318 26.92726 sample estimates: mean of x 26.82022 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 = 0.89002, p-value = 1.473e-15 $stats 30 73 315 214 148 24.71111 25.84444 27.15455 27.75455 28.25000 $n [1] 366 $conf [1] 26.99679 27.31230 $out named numeric(0) null device 1 null device 1 null device 1 null device 1 One Sample t-test data: Rmean t = 492.72, df = 365, p-value < 2.2e-16 alternative hypothesis: true mean is not equal to 0 95 percent confidence interval: 26.71318 26.92726 sample estimates: mean of x 26.82022 null device 1