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Natalija
1 month ago
14

In a study of college search behaviors among the families of college-bound high school students, the search behaviors are very d

ifferent from family to family. In the situation described, which guideline below best explains why the researcher will use a larger sample size?
A) The greater the variance within the population, the larger the sample should be.
B) The greater the proportion of incidence of the estimate, the larger the sample should be.
C) The smaller the dispersion range, the larger the sample must be.
D) The higher the level of frequency control in the estimate, the larger the sample must be.
E) The greater the number of quotas of interest within a sample, the larger the sample must be.
Social Studies
1 answer:
OLga [1.5K]1 month ago
8 0

Answer:

A) A larger variance within the population requires a bigger sample size.

Explanation:

The variability of the sample mean is inversely related to the size of the sample; consequently, as the sample size increases, variability declines. Increasing the sample size minimizes the range, thus reducing variance and leading to more precise results with fewer errors in experimentation.

Therefore, using a larger sample size is advised to decrease population variation.

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