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Cumulative frequency graphs (or cumulative frequency diagrams) are useful when representing or analyzing a cumulative frequency distribution of large grouped data sets. Cumulative frequency graphs are called ogive graphs.
Cumulative frequency is the running total of frequencies in a table. Use cumulative frequencies to answer questions about how often a characteristic occurs above or below a particular value. It is also known as a cumulative frequency distribution.
Cumulative frequency graphs (or cumulative frequency diagrams) are useful when representing or analysing the distribution of large grouped data sets. They can also be used to find estimates for the median value, the lower quartile and the upper quartile for the data set.
Cumulative frequency is the total of a frequency and all frequencies in a frequency distribution until a certain defined class interval. Learn more about the interesting concept of cumulative frequency, the types, plotting a graph, and solve a few examples.
Find the inter-quartile range, how to draw a cumulative frequency curve for grouped data, How to find median and quartiles from the cumulative frequency diagram, with video lessons, examples and step-by-step solutions.
A cumulative frequency graph shows the total number of values that fall below the upper boundary of each variable. All this means is that it represents the running-total of frequencies.
A cumulative frequency graph displays the cumulative frequency of a data set. This can be a cumulative frequency polygon, where straight lines join the points, or a cumulative frequency curve.