Mathematics, 09.03.2020 23:01 hahalol123goaway
A sample is to be selected from a large population using simple random sampling. The proportion of subjects in the sample that have a given characteristic is to be calculated. Which of the following best describes the sample proportion?
(A) It is a lurking variable whose value is unknown.
(B) It is a statistic, which is unbiased for the population parameter only if the population is at least 100 times larger than the sample.
(C) It is a parameter.
(D) It is a statistic that is unbiased, and its variability does not depend on the population size provided the population is at least 100 times larger than the sample.
(E) It is a statistic, but its behavior cannot be determined because only one sample is to be taken.
Answers: 2
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