Your company's human resources department administers a test of "Executive Aptitude." They report test grades as z-scores, and you got a score of negative 0.98. What does this mean? Choose the correct answer below. A. You scored 0.98 points above the mean. B. You scored 0.98 standard deviations above the mean. C. You scored 0.98 standard deviations below the mean. D. You scored 0.98 points below the mean.
Solution
z = -0.98
negative z-score is standard deviations below the mean and positive z-score is standard deviation above the mean
correct option is = C
C. You scored 0.98 standard deviations below the mean.
Your company's human resources department administers a test of "Executive Aptitude." They report test grades as...