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x <- read.csv("Table221.csv",header=T)
x
attach(x)
table(BloodType)
barplot(table(BloodType))
bf <- c(35,31,13,11)
barplot(bf,names.arg=c("A","O","AB","B"))
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x <- read.csv("Table221.csv",header=T)
x
attach(x)
table(BloodType)
barplot(table(BloodType))
bf <- c(35,31,13,11)
barplot(bf,names.arg=c("A","O","AB","B"))