IQ is normed so that the mean is 100 and the SD is 15. Approximately what % of people score between 85 and 115?
- A
50%
- B
95%
- Ccheck_circle
68%
- D
99.7%
Explanation
±1 SD captures about 68% of a normal distribution.
AP Psychology· difficulty 3/5
IQ is normed so that the mean is 100 and the SD is 15. Approximately what % of people score between 85 and 115?
50%
95%
68%
99.7%
Explanation
±1 SD captures about 68% of a normal distribution.
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