Question 474328
22  23  25  31  32  33  37  39  40  41  42  47

Median = Q2 = 35

Q1 = (25+31)/2 = 28

Q3 = (40 + 41)/2 = 40.5

==> midquartile = (Q1 + Q3)/2 = (28 + 40.5)/2 = 34.25