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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 problemnaire will be published and the first 1000 completed problemnaires will be analyzed. Which of the following errors will be associated with the sample?

A. Sampling errors and errors due to selection bias

B. Only non-sampling errors

C. Sampling errors only

D. Errors due to interviewer bias and selection bias

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Category:- Statistics and Probability
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