Question

find the median of the following distribution x= 10, 12, 14, 16, 18, 20 f= 3, 5, 6, 4, 4, 3

Answer 1

median :
$10 + 12 + 14 + 16 + 18 + 20 \div 2 \\ 90 \div 2 \\ 45$
mode:4

Answer 2

These question is solved by empirical formula
3 median =mode+2mean