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Sampling and histograms

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Please help with the following problems involving sampling and histograms.

a. A graduate student is conducting research in psychology and she needs to obtain the IQ scores of 50 people. She places an ad in the local newspaper and asks for volunteers, each of whom will BE PAID $50 to take the IQ test. Is her sample a good sample? Why or why not?

b. A real estate broker is investigating the selling prices of homes in his region over the past 50 years. Which graph would be better: a histogram or a time-series graph? Why?

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Solution Summary

This solution helps with a statistics problem that discusses sampling and histograms. Brief explanations are given for each.

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Sampling question and histogram question
Q8)
a. A graduate student is conducting research in psychology and she needs to obtain the IQ scores of 50 people. She places an ad in the local newspaper and asks for volunteers, each of whom will BE PAID $50 to take the IQ test. Is her sample a good sample? Why or why not?

b. A real estate broker is investigating the selling ...

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