Question

28, 29, 20, 25, 28, 40, 38, 43, 19. Find the mean​

Answer 1

Answer:

Ascending Order: 19, 20, 25, 28, 28, 29, 38, 40, 43.

n(No. of observations) = 9

mean = sum of observations / n

= 19 + 20 + 25 + 28 + 28 + 29 + 38 + 40 + 43 / 9

= 270 / 9 = 30