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This synthetic data is reported by Lehmann (1975). The data consists of 3 groups with 28, 23 and 21 observations respectively.
lehmann
A data frame with 72 observations on the following 2 variables.
Group
Number of samples
Values
Value
# NOT RUN { library(npordtests) data(lehmann) levels(lehmann$Group) <- c("Undergraduates", "Trainees", "Staff") boxplot(Values~Group,data=lehmann,xlab="Groups") # }
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