Essay
Provide an appropriate response.
-A population of people has a mean height of 65 inches. Andrew picks a person at random from the population and records his or her height. He repeats this procedure 49 times more. Bob picks a sample of 30 people at random from the population and records the mean height of the sample. He repeats this procedure 49 times more. Which set of numbers (those recorded by Andrew or those recorded by Bob)do you think will have more variability? Explain your reasoning.
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