Question

If the formula of mode=3(median)-2(mean), then what is the formula of mean= ???

Answer 1

solution:

We know the , empharical

formula:

mode =3×median - 2×mean

=> 2×mean = 3×median - mode

=> mean = (3×median-mode)/2

Let mode = z ,

median = m,

mean = x

=> x = (3m - z)/2

••••