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 ...

It is difficult to calculate these values manually and while calculators make it easier, Excel is the preferred tool for finding these values over a range of cells. How to calculate Standard ...

For example, if your mean is in cell A2, population mean in cell B2, standard deviation in cell C2, square root of degrees of freedom in E2, type the formula as =(A2-B2)/(C2/E2) to generate the T ...

Variance is a measurement of the spread between numbers in a data set.The variance measures how far each number in the set is from the mean.You can use Microsoft Excel to calculate the variance of ...