Class Interval	Frequency	Cumulative Frequency	Relative Frequency	Cumulative Relative Frequency	Cumulative Percent
0-10	1	1	0.05	0.05	5%
11.0-20	5	6	0.25	0.3	30%
21-30	2	8	0.1	0.4	40%
31-40	3	11	0.15	0.55	55%
41-50	1	12	0.05	0.6	60%
51-60	4	16	0.2	0.8	80%
61-70	0	16	0	0.8	80%
71-80	1	17	0.05	0.85	85%
81-90	2	19	0.1	0.95	95%
91-100	1	20	0.05	1	100%

What percent of the sample scored between 1-60?

What proportion of the sample scored between 11-20

How many participants scored between 1-20?

How many participants scored a 60 or less?

What class interval had the highest number of responses?