Randomly selected cities with population greater

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A survey is conducted to estimate the number of college graduates in Maryland. Assume data are available for all cities. Data from 20 randomly selected cities with population greater than 5000 are collected. Explain your answer.

(a) Which of the following is the variable? Explain your answer

(i) All cities in Maryland

(ii) The number of people

(iii) The set of the number people in all cities

(iv) The set of the number people in the 20 cities

Reference no: EM132410316

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