Question

To insert an inbuilt image in the document,click on...........and then Gallery​

Answer 1

Answer:

Mean of x1 , x2 , ... xn is x x1 + x2 + x3 + ... + xnn = x ∑i = 1^n x = nx (1)on adding 1 to x1, 2 to x2 and so onwe get x1 + 1 + x2 + 2 + ... + xn +