Find the third quartile Q 3 , which is the IQ score separating the top 25% from
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Find the third quartile Q3, which is the IQ score separating the top 25% from the others.
Assume that adults have IQ scores that are normally distributed with a mean of 100 and a standard deviation of 15 (as on the Wechsler test).
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Step 1 The given graph represents the IQ scores of adults These scores are norm...View the full answer
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