Question

Find the mean and median for the following data:
$i)13,17,16,14,11,13,10,16,11,18,12,17$
$ii)36,72,46,42,60,45,53,46,51,49$

Answer 1

10,11,11,12,13,13,14,16,16,17,17,18

median = (13 + 14)/2 = 13.5

mean = $\frac{10+11+11+12+13+13+14+16+16+17+17+18}{12}$

mean = 14

mean deviation = 14-13.5 = 0.5

2) 36,42,45,46,46,49,51,53,60,72

median = (46+49)/2 = 47.5

$mean=\frac{36+42+45+46+46+49+51+53+60+72}{10}$

mean = 50

mean deviation = 50-47.5 = 2.5