Formula of Mean: Know to How to Calculate Median for Grouped, Ungrouped data along with solved examples, questions with solution.

When data is shown in a frequency table, these figures are found by carrying out calculations using the rows and columns. To find the mean from a frequency table: ...

Learn about and revise how to find the mean, median and mode averages from data with this BBC Bitesize GCSE Maths Edexcel study guide.