Source wwwmsntechcom 15 Presidential Vetoes The number of to

Source: www.msn.tech.com 15. Presidential Vetoes The number of total vetoes exercised by the past 20 Presidents is listed below. Use the data to construct a grouped frequency distribution and a cumulative frequency distribution with 5 classes. What is challenging about this set of data? 44 39 37 21 31 170 44 632 30 78 42 6 250 43 44 82 50 181 66 37 Source: World Almanac and Book of Facts.

Solution

class interval

frequency

percent

cumulative frequency

cumulative percent

0-130

16  

80.0  

16  

80.0  

131-260

3  

15.0  

19  

95.0  

261-390

0  

0.0  

19  

95.0  

391-520

0  

0.0  

19  

95.0  

521-650

1  

5.0  

20  

100.0  

The range of the data is large and some class intervals having zero frequency.

class interval	frequency	percent	cumulative frequency	cumulative percent
0-130	16	80.0	16	80.0
131-260	3	15.0	19	95.0
261-390	0	0.0	19	95.0
391-520	0	0.0	19	95.0
521-650	1	5.0	20	100.0