The document shows the age distribution of a sample of 16 people. 25% were aged 20-25, 12.5% were 26-30, 31.25% were 31-35, 18.75% were 36-40, and 12.5% were over 40 years old. A bar graph displays the number and percentage of people in each age group.

2. Age n %
20-25 4 25
26-30 Age n %
2 12.5
20-25 4 25
31-35 26-30
31-35
36-40
2
5
3
5
12.5
31.25
18.75
31.25
40 above 2 12.5
36-40 Total 16
3
100
18.75
40 above 2 12.5
Total 16 100

3. 120
100
80
n
60 %
n
40 %
20
0
20-25 26-30 31-35 36-40 40 above Total