The composite
data frame has 12 rows and 3 columns.
Six pullets were placed into each of 12 pens. Four blocks were formed
from groups of 3 pens based on location. Three treatments were
applied. The number of eggs produced was recorded
data(eggprod)
This data frame contains the following columns:
treat
Three treatments: O, E or F
block
Four blocks labeled 1-4
eggs
Number of eggs produced