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.

To calculate an estimate for the mean from a grouped frequency table: Set up a new column to write the midpoint of each class. Set up another column to multiply each midpoint by its frequency.

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 ...