In a study whose purpose is to determine the market for a vitamin that is to be chewed like bubble gum, what is the first question to be answered before a sampling plan is selected?
A)Must the sample be representative of the population?
B)Who can perform the actual sampling?
C)What is the population of interest?
D)How often should the sample be redesigned?

Question

Quizplus · Accepted Answer

Before selecting a sampling plan, it is critical to know the population of interest in order to be able to select a sample that is representative of that population. Knowing the population will also aid in determining the size of the sample necessary for making valid inferences. Therefore, Choice C is the correct answer.

In a Study Whose Purpose Is to Determine the Market