Question

mean and median of first eleven number is
(a)5. (b)6
(c)11. (5.5)

Answer 1

Step-by-step explanation:

No of terms = 11

First term = 1

Last term = 11.

Sum of all terms = 11/2(1+11) = 66 .

Thus , mean = 66/11= 6.

Now , median =(6+5)th/2 term = 5.5 th term = 5.5