Learn about calculating the mean, mode and range from a frequency table with this BBC Bitesize Maths article. For students between the ages of 11 and 14.

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

How to Calculate an Interquartile Mean in Excel. The interquartile mean is a measure of central tendency. While all values in a data set are used to calculate the mean, only the interquartile ...

To find the mean number in this frequency table, divide the total number of minutes late by the total number of trains. To estimate the number of minutes late for each group, create a midpoint column.