Question

If the mean and median of a set of numbers are 8.9 and 9 respectively then the mode will be

(a) 7.2 (b) 8.2 (c)9.2 (d)10.2

Answer 1

we know,
Mode = 3 $\times$Median - 2$\times$Mean
so,
mode = 3$\times$9 - 2$\times$8.9
= 27 - 17.8
= 9.2
therefore, Mode = 9.2

(c) 9.2