Question

In a study to determine the average age of citizens in a certain city, which of...

In a study to determine the average age of citizens in a certain city, which of the following would be the best sample?

A. A simple random sample of citizens at the City Mall/Town Center during lunch.

B. All of the citizens living in one neighborhood of the city.

C. All the male citizens

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Answer #1

A. A simple random sample of citizens at the City Mall/Town Center during lunch.

in given case if we want to determine average age of total population then it is necessary to include almost all type of samples in sample data. it means that simple must be best representative of population.

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