Question 1: A distribution of a single statistic from repeated random samples of

Question

Question 1: A distribution of a single statistic from repeated random samples of the same size from the same population refers to which of the following?

a. The normal curve b.Sampling distribution of a statistic c.Distribution of summary statistics d.Random sampling e.Distribution of population parameters

Question 2:

A political polling agency wants to take a random sample of registered voters and ask whether or not they will vote for a certain candidate. One plan is to select 400 voters, another plan is select 1,600 voters.

Which of the following is true regarding the sample proportion p of "yes" responses?

The sample proportion from the sample of 400 is more likely to be close to the true population proportion, p.

The sample proportion from sample of 1,600 is more likely to be close to the true population proportion, p.

The sample proportion in either proposal is equally likely to be close to the true population proportion, p, since the sampling is random.

Explanation / Answer

2) The sample proportion in either proposal is equally likely to be close to the true population proportion, p, since the sampling is random.

1)  distribution of a single statistic from repeated random samples of the same size from the same population refers to Sampling distribution of a statistic

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