Question
Mean IQ of a large number of children of age 14 was 100 and the standard deviation 16. assuming that the distribution was normal find:
Mean IQ of a large number of children of age 14 was 100 and the standard deviation 16. assuming that the distribution was normal find:
1)what percentage of the children had IQ under 80.
2)between what limits IQ's of the middle 40% of the children lay.
3)what percentage of the children had IQ within range 1.96
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Elementary Algebra
Authors: Jerome E Kaufmann, Rosemary Karr, Karen L Schwitters, Marilyn Massey, R David Gustafson
10th Edition
1305161769, 9781305161764
