Times taken to complete a task Here is a histogram showing
the times taken to complete
a task.
40
Estimate the percentage of 35
people who took less than
30
30 seconds to complete
the task.
25
Give your answer to
1 decimal place.
20
Frequency
Density 15
10
5
0
01
0 5 10 15 20 25 30 35 40 45 50
Time (seconds)