Question

solve the this question​

Answer 1

Step-by-step explanation:

18 is the correct answer

Answer 2

164.5

The median is the value separating the higher half from the lower half of a data sample.

data sample has total readings ( N) = 100.

50th f falls in 160-169. The Centre point is 164.5 approx.

but precisely :

[13x169 + (28-13)×160]/28 = 164.17