Question
1. Given a symmetric distribution of an IQ test with mean 100 and standard deviation 15. A.)Give an interval that is likely to contain about
1. Given a symmetric distribution of an IQ test with mean 100 and standard deviation 15.
A.)Give an interval that is likely to contain about 95% of the IQ's.
B.) Estimate the standard deviation using your answer from part A.
C.)Find and interpret the z-score of someone who has a 140 IQ. Round your z-score to two decimal places. Be sure to specifically indicate if the IQ is unusual
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Elementary Algebra
Authors: Jerome E Kaufmann, Rosemary Karr, Karen L Schwitters, Marilyn Massey, R David Gustafson
10th Edition
1305161769, 9781305161764
