For each of the following situations, identify the response variable and the populations to be compared, and give i, the ni, and n.

(a) a poultry farmer is interested in reducing the cholesterol level in his marketable eggs. he wants to compare two different cholesterol-lowering drugs added to the hen's standard diet as well as an all-vegetarian diet. he assigns 35 of his hens to each of the three treatments.
response variable:

caloric intake

egg cholesterol level

diet cholesterol level

number of hens

number of marketable eggs laid

populations: (select all that apply.)

all eggs laid on a farm

hens on an all-vegetarian diet

all hens on a farm

hens on a standard diet and receiving one of two cholesterol-lowering drugs

eggs with different cholesterol levels

i =
n1 =
n2 =
n3 =
n =