a. Match the concept to the correct description. Statistic Choose the correct an

Question

a. Match the concept to the correct description.

Statistic

Choose the correct answer below.

A. A statistic is a comprehensive study of every item in a population.

B. A statistic is a characteristic of a sample.

C. A statistic is a list of all of the items in the population.

D. A statistic is a complete collection of items desired to be studied.

E. A statistic is the result if a respondent chooses not to answer questions.

F. A statistic is a subset of a larger collection of items.

b. Mark the statement below as True or False. If you believe that it is false, briefly say why you think it is false.

Randomization produces samples that mimic the characteristics of the population without systematic bias.

Choose the correct answer below.

A.The statement is false. Randomization will frequently produce a nonresponse bias, so it does not mimic the characteristics of the population without systematic bias.

B. The statement is false. Randomization will frequently produce a voluntary response bias, so it does not mimic the characteristics of the population without systematic bias.

C. The statement is false. Randomization will frequently produce a response bias, so it does not mimic the characteristics of the population without systematic bias.

D. The statement is true.

Explanation / Answer

a. Answer: B. A statistic is a characteristic of a sample.

Reason: A statistic is a measure of a sample, which is used as a representative of a population.

b. Answer: D. The statement is true.

Randomization in sampling is known to remove biases such as systematic and sampling bias.

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