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Suppose a set of scores has a mean of 84 and an so of 4. Compute and interpret the Z score corresponding to a) x = 80, and b) x = 90. APPLICATION (Test) Lorenzo obtained a score of 45 in Math and a score of 60 in Science. If the mean and standard deviation of the math scores are 26.4 and 7.2, respectively, while that of science are 42.5 and 12.6, respectively, which subject does Lorenzo perform better