For example, if you entered your data set into cells A1 through A100, then your formula should read: =TRIMMEAN(A1:A100,0.5). Press the "Enter" key to calculate the interquartile range. Advertisement ...

AVERAGEIF and AVERAGEIFS aren't the only functions in Excel that calculate the average of a dataset. For example, the AVERAGE function produces a straightforward arithmetic mean of a set of data, and ...

Microsoft Excel can perform statistical calculations across a wide set of data. Performing a T-Value Formula is simple so long as each column is set up correctly to accept the mean and standard ...

The term describes how much the numbers if a set of data vary from the mean. The syntax to calculate the Standard Deviation is as follows: =STDEV(sampling range) ...

To calculate the mean, you add up all the numbers in the set, then divide the total by the number of numbers you added. The mean might not always be a whole number it might be a decimal. Back to top ...

Learn about and revise how to find the mean, median and mode averages from data with GCSE Bitesize AQA Maths.