The Wechsler Adult Intelligence Scale WAIS is the most common IQ test The distribution of scores for adults taking the WAIS is

Question

The Wechsler Adult Intelligence Scale WAIS is the most common IQ test The distribution of scores for adults taking the WAIS is approximately Normal with a mean of 100 and a standard deviation of 15 Use the 68 95 99 7 rule to answer the questions about WAIS scores Macmillan Learning What percentage of adults score above 100 68 2 5 0 3 50 What percentage of adults score above 145 16 0 15 0 3 99 7

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