null device 1 One Sample t-test data: Rmean t = 437.73, df = 365, p-value < 2.2e-16 alternative hypothesis: true mean is not equal to 0 95 percent confidence interval: 22.64001 22.84435 sample estimates: mean of x 22.74218 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 = 0.96706, p-value = 2.373e-07 $stats 58 43 291 303 203 20.58750 21.90000 22.86875 23.57500 24.63750 $n [1] 366 $conf [1] 22.73042 23.00708 $out named numeric(0) null device 1 null device 1 null device 1 null device 1 One Sample t-test data: Rmean t = 437.73, df = 365, p-value < 2.2e-16 alternative hypothesis: true mean is not equal to 0 95 percent confidence interval: 22.64001 22.84435 sample estimates: mean of x 22.74218 null device 1