a) How many men have a
waist measurement of more
than 85 cm?
b) What is the median waist
measurement?
c) What is the interquartile range
of the waist measurements?
Cumulative
frequency
40
30
20
10
0
Waist measurement of 40 men
70 75
80 85 90 95 100 105 110 115
Waist measurement (cm)
61%
a) 29
b)
c)
45
-a
I
&
