【實用教育app】Cumulative Frequency Tool|最夯免費app-綠色工廠好玩App

The statistical concept of cumulative frequency is a simple one - it is just a running total of frequencies. But it is also a very useful tool to understand a set of data. A cumulative frequency curve lets you easily read off estimates for the median and quartiles even when faced with a large amount of data! Learn all about cumulative frequency, the median and the interquartile range with this colourful interactive tool!Enter raw data, complete a frequency table or and complete the cumulative frequency table, and then plot the curve(s). A set of introductory videos is provided to help you understand how to create and interpret cumulative frequency curves, and you can load the sample datato help you save time! Finally, have a go at the worksheets to check that you really understand!