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Topic Content:
- Meaning of Cumulative Frequency
- The Cumulative Frequency Curve or The Ogive
- Median
Definition: Cumulative frequency is found by adding each frequency to the sum of the previous ones down the frequency table.
Cumulative frequency can be used to estimate the median and the quartiles. It is important to note that the last cumulative frequency in a table must be equal to the sum of the frequencies of the given data.
The Cumulative Frequency Curve or The Ogive:
A cumulative frequency curve or ogive can be drawn by plotting
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