Enter the number seperated by commas

Data Values | Frequency | Cumulative Frequency |
---|

Free online cumulative frequency calculator – quick and easy way to calculate the cumulative frequency of data values. Simply enter the data values and then click the calculate button.

## What is a cumulative frequency?

Cumulative frequency, also known as cumulative frequency distribution, is a statistical concept used to analyze and describe data distribution in a dataset. It is a way to summarize and present the frequency of values or observations in a dataset in a tabular or graphical format.

## Cumulative Frequency Formula

Formula to calculate cumulative frequency:

**Cumulative Frequency (CF) = Cumulative Frequency of Previous Value + Frequency of the Current Value**

## How to calculate cumulative frequency?

To calculate the cumulative frequency for a given data set, you need to follow these steps:

- Organize the data in ascending order.
- Create a table with two columns: one for the data values and another for the cumulative frequency.
- Starting with the first data value, the cumulative frequency for that value is the same as its frequency.

## Solved Example

**Example –** Following dataset of exam scores for a class of 10 students:

Exam Scores: 72, 85, 64, 90, 78, 91, 76, 88, 70, 82

**Solve:-**

First, organize the data in ascending order:

64, 70, 72, 76, 78, 82, 85, 88, 90, 91

** Create a table with three columns:** The data value, frequency and cumulative frequency (CF).

Data Value | Frequency (f) | Cumulative Frequency (CF) |
---|---|---|

64 | 1 | 1 |

70 | 1 | 2 |

72 | 1 | 3 |

76 | 1 | 4 |

78 | 1 | 5 |

82 | 1 | 6 |

85 | 1 | 7 |

88 | 1 | 8 |

90 | 1 | 9 |

91 | 1 | 10 |