A researcher conducted a test to learn the effect of lead levels in human bodies. He collected

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A researcher conducted a test to learn the effect of lead levels in human bodies. He collected the IQ scores for a random sample of subjects with low lead levels in their blood and another random sample of subjects with high lead levels in their blood. The summary of finding is listed below. Use 0.01 significance level to test the claim they the mean IQ score of people with low lead levels is higher than the mean IQ score of people with high lead levels

Posted Date: May 17, 2024 06:01 PM

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A researcher conducted a test to learn the effect of lead levels in human bodies. He collected

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