IQ Test Scores Are Normally Distributed with a Mean of 104

question 143

Multiple Choice

IQ test scores are normally distributed with a mean of 104 and a standard deviation of 15. An individualʹs IQ score is found to be 111. Find the z-score corresponding to this value.

• A)0.47
• B)-0.47
• C)2.14
• D)-2.14

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