Math  /  Word Problems

QuestionCompare IQs using z-scores: Test A (mean 100, SD 14) score 127 vs Test B (mean 100, SD 16) score 130. Who is higher?

Studdy Solution
Now that we have the z-scores for both individuals, we can compare them to determine who has the higher IQ. Since a higher z-score indicates a score further above the mean, the individual with the higher z-score has the higher IQ.
The individual who scores127 on Test A has a higher IQ because1.93 >1.875.
So, the answer is B. The individual who scores127 on Test A.

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