Question

If the mean of the data x1,x2,x3…………….xn is x¯ ,then find the mean of αx1, αx2, αx3…………….αxn.
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Answer 1

Answer:

By Using Section Formula that is

Mx2+Nx1/M+N , My2+My1/M+N

= 3×8+1×4/3+1 , 3×5+1×(-3)/3+1

= 24+4/4 , 15-3/4

= 27/4 , 12/4

= (7,3)