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Classify the two given simple as independent or dependent. As a part of a marketing experiment,...

Classify the two given simple as independent or dependent. As a part of a marketing experiment, a department store regularly mailed coupons to 25 of its credit card holders. Their total credit card purchases over the next three months were compared to their own prior credit card purchases during the previous three months. Determine whether the samples of test scores are independent or dependent?

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Answer #1

Samples of 2 test scores are 'independent' because they are 2 samples of which 1st sample have coupons and 2nd sample doesn't have the coupons.

The 2 samples are independent if the values of both samples are not related in any way with the other samples.

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