If an IQ Distribution Is Normal and Has a Mean

question 81

Multiple Choice

If an IQ distribution is normal and has a mean of 100 and a standard deviation of 15, then 68% of all those taking the test scored between IQ's of

• A) 100 and 115
• B) 85 and 100
• C) 92.5 and 107.5
• D) 85 and 115

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