T-scores are used on some psychological tests, such as the MMPI. T-scores have a mean of 50 and a standard deviation of 10, and therefore a z-score of -1 (one standard deviation below the mean) would be converted to a T-score of 40. What is George's T-score on the Risk-Taking scale?
a. 45
b. 56
c. 58
d. 66
Known facts:
Mean and standard deviation are 17.08, 5.02
George z-score 0.58
George obtained a raw score of 20 on the Risk-Taking scale