Question

The following observations have been arranged in increasing order. 7, 12, 13, x, x plus 2, 19, 20, 23. if median of above data is 15, find the value of x

Answer 1

$7 + 12 + 13 + x + (x + 2) + 19 + 20 + 23 \div 8 = 15$
solve it