Cumulative Frequency Graph
Mathematics SSS 2 Third Term
WEEK 7
Cumulative Frequency Graph
Performance Objectives
Students should be able to;
- Compute cumulative frequency of grouped data
- Draw cumulative frequency curve
- Estimate cumulative frequency curve
- Apply the cumulative frequency curve in a real-life situation
Cumulative Frequency Graph or OGive
Content
The cumulative frequency of a given class or group is the sum of the frequency of all the classes below and including the class itself.
Cumulative frequency curve is a statistical graph gotten by plotting the upper-class boundaries against cumulative frequencies. It is used to determine among the others: Median, Percentiles (100 divisions), Deciles (10 divisions), Quartiles (4 divisions)
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