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Cumulative Frequency
The cumulative frequency up to a particular observation is the sum of all frequencies up to that observation.
$$CF_i=f_1+f_2+\cdots+f_i$$
Usage
- Used to locate the median and other positional measures.
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Cumulative Frequency
The cumulative frequency up to a particular observation is the sum of all frequencies up to that observation.
$$CF_i=f_1+f_2+\cdots+f_i$$
Usage
- Used to locate the median and other positional measures.
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