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Suppose Q-Mart plans to obtain information on a randomly selected sample of customers using each type of charge card, using equal sample sizes. The estimated common standard deviation is 70. A) Are the two samples paired or independent

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Answer:

Independent

Step-by-step explanation:

Paired: Two different variable observed on same group at different points in time. Here a randomly selected samples is observed for type of change card.

Independent: A single variable observed on multiple groups.

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