Hoping to get information that would allow them to negotiate new rates with their advertisers, Natural Health magazine phoned a random sample of 600 subscribers.64% of those polled said they use nutritional supplements.Which is true?
I.The population of interest is the people who read this magazine.
II."64%" is not a statistic; it's the parameter of interest.
III.This sampling design should provide the company with a reasonably accurate estimate of
The percentage of all subscribers who use supplements.
A)I only
B)I and II only
C)I and III only
D)II and III only
E)I, II, and III

Question

Quizplus · Accepted Answer

I. The population of interest indeed is the people who read Natural Health magazine, as the survey aims to understand the behaviors of the magazine's readership.II. "64%" is a statistic derived from the sample, not a parameter. A parameter would refer to the entire population, not just the sampled portion.III. Assuming the sample was randomly selected, it should provide a reasonably accurate estimate of the percentage of all subscribers who use supplements. Random sampling is a key method for obtaining representative data from a larger population.

Hoping to Get Information That Would Allow Them to Negotiate