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

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.
What percentage of adults score above 100?
68%
32%
84%
2.5%
50%
0.3%

Kunduz · Accepted Answer

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