Random sample of wool production in kilograms on 5 different days at two different locations
A data frame with 15 observations on the following 2 variables:
wool production in thousands of kilograms
wool production in thousands of kilograms
Ugarte, M. D., Militino, A. F., and Arnholt, A. T. (2008) Probability and Statistics with R. Chapman & Hall/CRC.
with(data = Wool, t.test(textileA, textileB))#> #> Welch Two Sample t-test #> #> data: textileA and textileB #> t = -2.266, df = 20.619, p-value = 0.03435 #> alternative hypothesis: true difference in means is not equal to 0 #> 95 percent confidence interval: #> -0.42213539 -0.01786461 #> sample estimates: #> mean of x mean of y #> 1.226 1.446 #>