The mean Wechsler IQ score is 100 with a standard deviation of 15. IQ scores are roughly normally distributed. Draw this distribution, marking three standard deviations above and below the mean a. How high would it be necessary to score to fall in the highest 2.5% of IQs? b. What are the IQ scores of adults in the lowest 16%?
The mean Wechsler IQ score is 100 with a standard deviation of 15. IQ scores are roughly normally distributed. Draw this distribution, marking three standard deviations above and below the mean a. How high would it be necessary to score to fall in the highest 2.5% of IQs? b. What are the IQ scores of adults in the lowest 16%?
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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a. How high would it be necessary to score to fall in the highest 2.5% of IQs?
b. What are the IQ scores of adults in the lowest 16%?
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