Question #6402693Single Choice

Math

Question

To determine the mean number of children per household in a community, Tabitha surveyed 20 families at a playground. For the 20 families surveyed, the mean number of children per household was 2.4. Which of the following statements must be true?

Options

The mean number of children per household in the community is 2.4.

A determination about the mean number of children per household in the community should not be made because the sample size is too small.

The sampling method is flawed and may produce a biased estimate of the mean number of children per household in the community.

The sampling method is not flawed and is likely to produce an unbiased estimate of the mean number of children per household in the community.

Answer & Analysis

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