3. Simple Random Sample A researcher has collected a large sample of IQ scores from friends and...

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3. Simple Random Sample A researcher has collected a large sample of IQ scores from friends and relatives. He claims that because his sample is large and the distribution of his sample scores is very close to the bell shape of a normal distribution, his sample is representative of the population. Is this reasoning correct?

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Elementary Statistics

ISBN: 9780321331830

10th Edition

Authors: Mario F. Triola

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