A cumulative frequency graph can be used to estimate the median, quartiles, and other percentiles for a data set. This is because all of the values within the ...

(a) Find the median time. (b) Find the number of people who took longer then 80 seconds to complete the challenge.

Cumulative Frequency. Cumulative frequency is the number of times that anything up to and including that value (or group of values) appeared.

A teacher gave 100 boys and 100 girls a maths test. ! The test was out of 45 marks. ! The cumulative frequency curves show how each group performed. !

Learn how to construct and interpret cumulative frequency tables and histograms by using the upper boundaries of classes.

Questions and model answers on Cumulative Frequency for the CIE IGCSE Maths: Extended syllabus, written by the Maths experts at Save My Exams.

The cumulative frequency graph below shows the marks, out of 100, that a class scored in a maths test. (a) Use the graph to estimate the median mark. (b) ...

Online exercises on cumulative frequency for discrete and grouped data with exam-style questions.

The cumulative frequency graph gives information about the ages of people in India. The cumulative frequency is given as a percentage of all the people in India ...

The quiz was in two parts. The cumulative frequency graph on the grid below gives information about the marks scored in. Part One. The lowest mark was 5 and ...