3) A poll is planned to determine what proportion of all students favor an incre

Question

3) A poll is planned to determine what proportion of all students favor an increase in fees to support a new track and field stadium. A questionnaire will be published and the first 1000 completed questionnaires will be analyzed. Which of the following errors will be associated with the sample?

A. Sampling errors and errors due to selection bias
B. Sampling errors only
C. Errors due to interviewer bias and selection bias
D. Only non-sampling errors



4) Which of the following is NOT a reason one should have knowledge of statistics?

A. To increase the amount of information available for use
B. To make future projections of one’s sales
C. To help interpret existing information
D. To be able to mount an effective effort to change a government regulation that negatively affects one’s business

Explanation / Answer

3) The sampling errors arises because we do not have information for all students. So, the answer is B. Sampling errors only. 4) We need to increase the amount of information available for use. The answer is A.

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