To find the average age of drivers in a particular city, use all the names of people with driver's licenses put into a file. One hundred names are picked blindly from the file as a sample. Is this a good sample?

a. No; the sample is not selected from the population to be studied.

b. Yes; the sample is selected at random from the population to be studied.

c. No; the sample is not random.

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11 June, 22:58

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Francisco Santana · Answer 1

Yes, that's a good random sample.

In a huge city, it may not be big enough, but it's nice and random.