null device 1 One Sample t-test data: Rmean t = 615.88, df = 365, p-value < 2.2e-16 alternative hypothesis: true mean is not equal to 0 95 percent confidence interval: 29.73310 29.92358 sample estimates: mean of x 29.82834 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 = 0.95332, p-value = 2.28e-09 $stats 23 100 175 311 249 28.14118 29.01176 30.00588 30.55294 31.57059 $n [1] 366 $conf [1] 29.87860 30.13316 $out named numeric(0) null device 1 null device 1 null device 1 null device 1 One Sample t-test data: Rmean t = 615.88, df = 365, p-value < 2.2e-16 alternative hypothesis: true mean is not equal to 0 95 percent confidence interval: 29.73310 29.92358 sample estimates: mean of x 29.82834 null device 1