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The residents of Flint, Michigan are hoping to show that lead in the pipes is lowering...

The residents of Flint, Michigan are hoping to show that lead in the pipes is lowering the IQ of children in the city and need to have a statistician give evidence at the p<.05 level to do so. They have a psychologist randomly administer IQ tests to 200 children in the town and they find the average IQ of those children is 98. The IQ of children in general is known to have a mean of 100 with a standard deviation of 15.

Math   Statistics-And-Probability   
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