Progression (Sequence and Series)Hard
Question
The mean of a set of observations is 
. If each observation is divided by α, α ≠ 0, and then is increased by 10 then the mean of the new set is-
. If each observation is divided by α, α ≠ 0, and then is increased by 10 then the mean of the new set is-Options
A.
B.
C.
D.a + 10
+ 10More Progression (Sequence and Series) Questions
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