Box And Whisker Plot Meaning. Note that the plot divides the data into 4 equal parts. Box plots visually show the distribution of numerical data and skewness through displaying the data quartiles or percentiles and averages.
A box and whisker plotalso called a box plotdisplays the five-number summary of a set of data. A typical structure of a box and whisker plot looks like the following. To construct this diagram we first draw an equal interval scale on which to make our box plot.
Box and Whisker Plots The box-and-whisker plot is an exploratory graphic used to show the distribution of a dataset at a glance.
In a box plot we draw a box from the first quartile to the third quartile. With left edge at Q 1 right edge at Q 3 the middle. It does not show a distribution in as much detail as a stem and leaf plot or histogram does but is especially useful for indicating whether a distribution is skewed and whether there are potential unusual observations in the data set. In descriptive statistics a box plot or boxplot also known as box and whisker plot is a type of chart often used in explanatory data analysis.
