To calculate the quartiles from a set of values, enter the observed values in the box above. Values must be numeric and may be separated by commas, spaces or new-line. Data copied from from another document may also be pasted in the text box. You may ignore the Population/Sample selector because it is only relevant when calculating the variance or the standard deviation . Press the "Submit Data" button to perform the computation. To clear the calculator and enter a new data set, press "Reset".