Question

You would like to conduct an experiment to see if students prefer the new salad dressing to the old salad dressing in the dining hall. Outline a design for this study. Include, the main research question, the cases, variables and their types, population of interest, and the sample.

Answer 1

(a)

the main research question, :

Do the students prefer the new salad dressing to the old salad dressing in the dining hall ?

(b)

the cases:

students

(c)

variables and their types :

Variable 1: Students - nominal type of variable

Variable 2: salad dressing - nominal type of variable

(d)

population of interest : All students in the dining hall

(e)

Out of the entire set of N students in the dining hall, a set of n students is arrived at using statistical random sampling procedure to give opinion on the preference of the new salad dressing to the old salad dressing. This set of n students selected constitute the sample.