Question

Find the average of the 277, 278, 279, 280,
281, 282, 283
(A) 280
(B) 281
(C) 283
(D) 284​

Answer 1

Answer:

the average of no. is sum of all numbers divided by no. of observations

and also these are all consecutive numbers ao their mean or average is always their middle term which is

280

I hope this will help u