Question

if the median of the observation x,x+3,x+5,x+7,x+10 is 9, find all the observation.

Answer 1

Mean =(x+x+3+x+5+x+7+x+10)/5

9*5=5x+25

45=5x+25

45-25=5x

20=5x

4=x

Last three number are, 9,11,14

Mean=(9+11+14)/3

Mean =34/3.