Question: Choose the correct answer A. Each sample must be randomly selected from any population and each member of the first sample must be paired with

Choose the correct answer

A. Each sample must be randomly selected from any population and each member of the first sample must be paired with a member of the second sample.

B. Each sample must be randomly selected from a normal population and the two samples must be independent.

C. Each sample must be randomly selected from any population and the two samples must be independent.

D. Each sample must be randomly selected from a normal population and each member of the first sample must be paired with a member of the second sample.

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