The mean and standard deviation for a variable x are 5 and 2 respectiv – InterviewSolution

1.	The mean and standard deviation for a variable x are 5 and 2 respectively. Now, if y = 3x + 4 then what are the mean and the standard deviation of y?(a) 19 and 6(b) 15 and 49(c) 19 and 10(d) 15 and 10
Answer» Correct option is (a) 19 and 6

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