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 ...

How to calculate Standard Deviation in Excel The Standard Deviation is a term used in statistics. The term describes how much the numbers if a set of data vary from the mean. The syntax to ...

How to Set Up Auto Calculate in Excel 2010. When you edit the values on your Microsoft... You can calculate the T-Value in Excel with the mean, standard deviation and degrees of freedom.