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 range -- the central portion of a data set -- is used ...

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 ...

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 ...

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) Where the sampling range ...

Calculating the mean is one of many methods of finding an average. 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 ...