A supermarket mailed 4 000 uniquely identifiable coupons to homes in
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) Identity whether the data are cross sectional or a time series.
(b) Give a name to each variable and indicate it the variable is categorical, ordinal, or numerical (it a variable is numerical, include its units it possible).
(c) List any concerns that you might have tor the accuracy of the data.
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