Question
- Assuming the IQ scores of a distribution of 8,000 college-aged students is bell-shaped with a mean of 120 and a standard deviation of
- Assuming the IQ scores of a distribution of 8,000 college-aged students is bell-shaped with a mean of 120 and a standard deviation of 8. Using the Empirical Rule, deter- mine the approximate percentage and number of students who are expected to have IQ scores from: a) 104 to 136. b) 112 to 128. c) 112 to 136. d) 104 to 144. e) Would you interpret an IQ score of 150 to be an unusual IQ or a typical IQ? Explain. f) Would you interpret an IQ score of 90 to be a potential outlier? Explain.
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Statistics
Authors: Robert S. Witte, John S. Witte
11th Edition
1119254515, 978-1119254515
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