A-linear-function-f-x-ax-b-transforms-X-1-2-3-5-9-11-into-Y-so-that-f-5-13-and-f-1-5-Calculate-the-mean-and-Variance-of-X-and-Y-

Question Number 42330 by Rio Michael last updated on 23/Aug/18

A l i n e a r f u n c t i o n f (x) = a x + b t r a n s f o r m s X = {1, 2, 3, 5, 9, 11}

i n t o Y, s o t h a t f (5) = 13 a n d f (1) = 5

C a l c u l a t e t h e m e a n a n d V a r i a n c e o f X a n d Y .