Determine whether you should survey the population or a sample. Explain You want to know the average height of seventh graders in the United States.

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Solution

Explanation:
Survey on sample of the seventh graders should be taken because the total population in United States is very large and it’s very difficult to survey on the population. Sample survey will be easy and we can get the information regarding the average height of seventh graders in the United States accurately.
Hence, Survey on sample of the seventh graders should be taken.

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