Shear measured in kN on frozen carrots from four randomly selected freezers
A data frame with 16 observations on the following 2 variables:
carrot shear measured in kN
a factor with levels A
, B
, C
,
and D
Ugarte, M. D., Militino, A. F., and Arnholt, A. T. (2008) Probability and Statistics with R. Chapman & Hall/CRC.
summary(aov(shear ~ freezer, data = food))#> Df Sum Sq Mean Sq F value Pr(>F) #> freezer 3 0.03567 0.011892 15.68 0.000188 *** #> Residuals 12 0.00910 0.000758 #> --- #> Signif. codes: 0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1