Find the z-score for an IQ test score of 92 when the mean is 100 and the standard deviation is 15.
A)0.53
B)0.77
C)-0.77
D)-0.53
E)-8.00

Question

Quizplus · Accepted Answer

The z-score is calculated using the formula: z = (X - μ) / σ, where X is the score, μ is the mean, and σ is the standard deviation. For an IQ score of 92, mean of 100, and standard deviation of 15, the z-score is (92 - 100) / 15 = -0.53.

Find the Z-Score for an IQ Test Score of 92