Question

Xiis the median of observations in ascending order 24,25,26,x+2,x+3,30,31,34, is 27.5?

Answer 1

Answer:

number of observations=8

average of (n/2)&(n/2+1)th terms

8/2 8/2+1

average of 4th & 5th terms

x+2+x+3/2=27.5

2x+5=27.5×2

2x=55-5

2x=50

x=50/2

x=25