Answer variants:
6080
19
80100
6
2040
4060
16
30
100120
23
9
020
Construct a cumulative frequency distribution of less than type for the following data.
 
Class intervalCumulative frequency
Less than 2030
Less than 4039
Less than 6045
Less than 8061
Less than 10080
Less than 120103
 
Answer:
 
Class intervalFrequency