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Which of the following is not a valid reason for using random selection of the sample in a well-designed survey?

A

Random selection ensures that each member of the population has an equal chance to be selected for the sample.

B

Random selection makes it likely that the sample will be representative of the population of interest.

C

Random selection greatly reduces bias in the sample statistic.

D

Random selection of subjects will allow the researchers to determine a causal relationship.

E

Random selection of subjects will allow the researchers to generalize their findings to the population of interest.

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