shelf1=c(10,6,1,3,2,11,15,10,11,6,2,3,0,0,0,3,3,3,8)
shelf2=c(14,12,9,13,12,13,0,13,7,12,9,11,3,6,12,3,9,12,15,5,12)
shelf3=c(6,8,5,0,8,8,5,7,7,3,10,5,10,5,3,4,6,9,11,11,13,7,2,10,14,3,0,0,6,8,6,3,14,3,3,12)
boxplot(shelf1,shelf2,shelf3,horizontal=TRUE,
names=c("Shelf 1","Shelf 2","Shelf 3"),
xlab="Sugar Content",
ylab="Shelf Level",
main="Sugar Levels in Cereal",
col=c("purple","green","orange"))