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Mathematics
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OpenStudy (asapbleh):
IQ scores are normally distributed with a mean of 100 and a standard deviation of 15. What are the lower and upper IQ score limits if the middle 80 percent of the people in the sample is to be selected? The IQ scoore of the 90th percentile IQ score of the first quartile Median IQ score= 100? The IQ score of third quartile. The IQR. The number of people in the IQR range Please help!
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