Question

If the mean of 6, 7,x,8,y,14 is 9 then x+y =​

Answer 1

Answer:

We know that,

Mean = Sum of all observations / Total no. of observations

So, 9 = 35 + x + y / 6

9× 6 = 35 + x + y

Therefore x + y = 54 - 35 = 19 Ans.

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Answer 2

Answer:

18

Step-by-step explanation:

explanation in pictures