Published by:
CGP EDU Academic Team
Published on: August 14, 2026
If 
and 
, then the standard deviation of observations 3x 1 + 2, 3x 2 + 2, 3x 3 + 2, 3x 4 + 2 and 3x 5 + 2 is equal to
Text Solution
Verified by ExpertsThe correct answer is:
CHECK THE SOLUTION.
6
Variance of (3x i + 2) = 9var(x i )
=9(5-1)
=36
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