Question

The mean of 6 observations is 17.5.If five of them are 14,9,23,25 and 10.Find the sixth observation.

Answer 1

here is your answer

let the sixth observation. =x

so, 10+14+9+23+25+x/6 = 17.5

81+x /6 = 17.5
81+x = 105
x = 105-81
x = 24 ans.

HOPE it helps u ✌️

Answer 2

Answer: the sixth observation is 24

Step-by-step explanation:

mean = sum / no of observations

=> (14 + 9 + 23 + 25 + 10 + x) / 6 = 17.5

=> 81 + x = 17.5 * 6

=> 81 + x =  105

=> x = 105 - 81 = 24