Question

find The mean of 16,14,×23,20,24 find the value of ×​

Answer 1

Arithmetic Mean = Sum of all observation/Total number of observations

⇒ 18 = (16 + 14 + x + 23 + 20)/5

⇒ 18 = (73 + x)/5

⇒ (x + 73) = 18×5

⇒ x + 73 = 90

⇒ x = 90 - 73

⇒ x = 17

So, the value of x is 17.