For each of the following situations, identify the response variable and the pop

Question

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 30 of his hens to each of the three treatments. Response variable: O number of hens egg cholesterol level o caloric intake O number of marketable eggs laid O diet cholesterol level Populations: (Select all that apply.) o hens on a standard diet and receiving one of two cholesterol- lowering drugs O eggs with different cholesterol levels O all eggs laid on a farm O hens on an all-vegetarian diet O all hens on a farm N-

Explanation / Answer

a) Response variable- egg cholesterol level

Population- Option 1st and 4th

n1=me=ne=30

N= Total number of hens belongs to population.

Note: I can't understand meaning of notation I.

B)

Response variable- acceptance rating on five point scale

Population- students who pay an annual fee.

n1=29 , n2= 22 , . n3= 45

N= number of students who pay an annual fee

C)

Response variable- quiz scores

Population- students in three TA groups.

n1= n2= n3=17

N=51

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