Box And Whisker Diagram Range. The whiskers indicate variability outside the upper and lower quartiles. Box and whisker plots are great alternatives to bar graphs and histograms.
Box plot charts can be dressed up with whiskers which are vertical lines extending from the chart boxes. A box and whisker chart shows distribution of data into quartiles highlighting the mean and outliers. The boxes may have lines extending vertically called whiskers.
Interquartile range 43.
Lowest value 15. The diagram is made up of a box which lies between the upper and lower quartiles. The whiskers are straight line extending from the ends of the box to the maximum and minimum values. A box and whisker chart shows distribution of data into quartiles highlighting the mean and outliers.