Time (minutes)

Frequency

Percentage (%)

Cumulative Percentage (%)

0.5

3

2.5

2.5

1.0

28

23.3

25.8

1.5

35

29.2

55.0

2.0

28

23.3

78.3

2.5

10

8.3

86.7

3.0

10

8.3

95.0

3.5

3

2.5

97.5

4.0

1

0.8

98.3

5.0

2

1.7

100.0

Total

120

100.0