Question

8. Find a if the mean of
(i) 6,16, a, 12 is 14
(i) 12,0, 10, 16, a is 11​

Answer 1

Answer:

I) 22. II) 17.

Step-by-step explanation:

I) (6+16+a+12)÷4=14

(34+a)÷4=14

34+a=14×4

34+a=56

a=56-34

a=22.

II) (12+0+10+16+a)÷5=11

(38+a)÷5=11

38+a=11×5

38+a=55

a=55-38

a=17.

Answer 2

Answer:

1. 22 , 2. 7

Hope it helps you....!!!!!