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

21. Zagat. Zagat.com provides ratings from customer ex- periences on restaurants. For each restaurant, the percent- age of customers that liked it, the average cost and ratings of the food, decor, and service (all on a 30-point scale) are reported

math Statistics-And-Probability

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Answer 1

Answer #1

21.

Name of the variables: rating

Rating: quantitative variable. Unit: marks given on a 30-point scale

The data comes from designed experiment..

The variables are cross sectional.

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Answer 2

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