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What is the difference b/w Frequency …

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What is the difference b/w Frequency & Cumulative Frequency???

Posted by Sejal Yadav 8 years, 9 months ago

CBSE > Class 09 > Mathematics

1 answers

Naveen Sharma 8 years, 9 months ago

Ans. A frequency is the number of times a data value occurs. For example, if ten students score 80 in statistics, then the score of 80 has a frequency of 10. Frequency is often represented by the letter f.

Cumulative frequency: it is used to determine the number of observations that lie below a particular value in a data set.

The cumulative frequency is calculated by adding each frequency from a frequency distribution table to the sum of its predecessors. the last value will always be equal to the total for all observations. Denoted by cf.

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