Sixth Volume of the Public Papers of President Barack Obama Available. The sixth volume of the Public Papers of President Barack Obama is now available. These volumes are produced right here at the Office of the Federal Register (OFR) by our...
Upper Quartile Definition and Formula. The upper quartile is the median of the upper half of a data set. This is located by dividing the data set with the median and then dividing the upper half that remains with the median again, this median of the upper half being the upper quartile.
Definition of Quartiles. Quartiles are values that divide a set of data into four equal parts. 1  A data set has three quartiles: the lower quartile, the median of the data set, and the upper quartile.  Median: The median divides a data set into two equal parts.