Question

If the median of X,2x,4x,is 12 then find the mean of the data

Answer 1

Answer:

median =n+1/2=3+1/2=2

which is 2x

thus 2x=12

x=6

first no.=6

2 no.=2×6=12

3 no.=4×6=24

mean=6+12+24/3

=42/3

=14