For each description of data in Exercises 7 to 26, identify the W's, name the variables,...

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For each description of data in Exercises 7 to 26, identify the Ws, name the variables, specify for each variable whether its use in- dicates it should be treated as categorical or quantitative, and for any quantitative variable identify the units in which it was mea- sured (if they are not provided, give some possible units in which they might be measured). Specify whether the data come from a designed survey or experiment. Are the variables time series or cross-sectional? Report any concerns you bave as well

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