In Metropolitan Region Y,75% of the population lives in suburban areas,while only 25% remain in the central city.We draw a sample of 50 city residents and 50 suburban residents.This sample is ______.
A)invalid
B)unreliable
C)proportionate
D)unrepresentative

Question

Quizplus · Accepted Answer

The sample is unrepresentative because it does not reflect the population proportions in Metropolitan Region Y. The sample size for the central city residents is only 50, which may not be a sufficient representation of the entire population. Additionally, the sample does not reflect the proportionality of the population in terms of living in suburban areas versus the central city.

In Metropolitan Region Y,75% of the Population Lives in Suburban