If one were to choose an SRS from a population, one could be sure that the _____, computed from the SRS, is a(n) _____ estimate of the population's true _____. One also knows that one can reduce the _____ of the result as desired, by taking a large enough sample.
A) parameter; variation; statistic; unbiasedness
B) parameter; unbiased; statistic; variation
C) statistic; variation; parameter; unbiasedness
D) statistic; unbiased; parameter; variation

Question

Quizplus · Accepted Answer

The SRS is a sample from the population, so the statistic computed from the SRS can be used as an estimate of the population parameter. If the sampling is unbiased, the statistic is unbiased as well. The variation in the statistic depends on the size of the sample, so taking a larger sample can reduce the variability and make the estimate more precise. Therefore, the correct sequence is statistic, unbiased, parameter, and variation, as in choice D.

If One Were to Choose an SRS from a Population