Question

If the median of the observations x, x+3, x+5, x+7, x+10 is 9.find the last observation.

Answer 1

We know median is the middle term in an observation.
Here, As per Observation x+5 is median.
i.e. x+5 = 9
x= 4.
So, last observation is 4+10 = 14.

Answer 2

answer is 14. just use the formula (n+1)/2 which is for odd no of observations(5)