A population of scores has µ = 50 and ? = 5 . If every score in the population is multiplied by 3, then what are the new values for the mean and standard deviation?
a. µ = 50 and ? = 5 c. µ = 150 and ? = 5
b. µ = 50 and ? = 15 d. µ = 150 and ? = 15
D
Psychology
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