xcoder387 xcoder387

08-03-2024
Mathematics

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Assume that adults have IQ scores that are normally distributed with a mean of 97.3 and a standard deviation of 15.9. Find the first quartile Q1, which is the IQ score separating the bottom 25% from the rest.
a) 83.6
b) 72.1
c) 80.9
d) 86.2

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