Question

if the arithmetic mean of 14 observations 26, 12, 14, 15, X, 17,
9. 11. 18. 16, 28, 20, 22, 8 is 17. Find the missing observation​

Answer 1

Answer:

If the arithmetic mean of the 14 different observations are 26, 12, 15, x, 17, 9, 11, 18, 16, 28, 20, 22, 8, is 17. ... Hence, missing observation is 22. 3.

Answer 2

Answer:

the missing number will be 22

Step-by-step explanation:

hope this will help you.......