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A supermarket mailed 4,000 uniquely identifiable coupons to homes in local residential communities. Each day of...

A supermarket mailed 4,000 uniquely identifiable coupons to homes in local residential communities. Each day of the next week, it counted the number of coupons that were redeemed and the size of the purchase.

(a) Identify whether the data are cross-sectional or a time series.

​(b) Indicate if each variable is​ categorical, ordinal, or numerical​ (If a variable is​ numerical, include its units if​possible).

​(c) List any concerns that you might have for the accuracy of the data.

Math   Statistics-And-Probability   
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