Calculating Upper And Lower Quartiles
Calculating Upper And Lower Quartiles . The \ (\frac {3 {. At q 2 split the ordered data set into two halves. PPT Box and Whisker Plots and Circle Graphs PowerPoint Presentation from www.slideserve.com Quartiles are the values that divide the given data set into four parts, making three points. The \ (\frac { (n+1)} {4}\) value the upper quartile is the median of the upper half of the data. One quarter, or 25% of the data have values less than or equal to lower quartile.75% of the data values greater than or equal to the lower quartile.