Mean of a set of 40 values is 6.Each of the value is increased by 5.What will be the mean of the set of new values
If each of the element gets increased by 5. Then just add the increased value with the previous average.
Ans is 11
Sum of 40 values = 40 x 6 =240
Each value increased by 5 so total increase=40 x 5 =200
Total sum (aftr increase) = 240+200 =440