Upper And Lower Quartile Box And Whisker. Interquartile range upper quartile - lower quartile 47 - 38 9 cm. The lower quartile is the median of the data set to the left of 68.
Box-and-whisker plots Box-and-whisker plots are a really effective way to display lots of information. Box plots may also have lines extending from the boxes whiskers indicating variability outside the upper and lower quartiles hence the terms box-and-whisker plot and box-and-whisker diagram. Constructing a box and whisker plot Step 2 Find the lower quartile.
Select the top box on the chart and then select Add Chart Element on the Chart Design tab.
Outliers may be plotted as individual points. Outliers may be plotted as individual points. These lines indicate variability outside the upper and lower quartiles and any point outside those lines or whiskers is considered an outlier. Maximum Minimum First Quartile Third Quartile and Median interquartile upper limit lower limit.