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###### For each situation described in Exercises (a) Identify whether the data are cross sectional or a...

For each situation described in Exercises (a) Identify whether the data are cross sectional or a time series. (b) Give a name to each variable and indicate if the 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. A major bank collected data on 100,000 of its customers (income, sex, location, number of cards, etc.) and then computed how much profit it made from the account of these customers during the past calendar year.

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