Forbes contributors publish independent expert analyses and insights. I help people communicate data clearly with graphs. Last week’s post, “A Histogram is NOT a Bar Chart ”, explained that bar charts ...

Box plots are an effective way to compare distributions of interval data. To create side-by-side box plots comparing the distributions of salaries for the American and National Leagues, follow these ...

The information required to be able to draw a box plot is called the 'five-figure summary'. The oldest person in Mathsminster is 90. The youngest person is 15. The median age of the residents is 44, ...

The oldest person in Mathsminster is 90. The youngest person is 15. The median age of the residents is 44, the lower quartile is 25, and the upper quartile is 67. Represent this information with a box ...

This example compares the use of three-parameter and two-parameter Weibull Q-Q plots for the failure times in months for 48 integrated circuits. The times are assumed to follow a Weibull distribution.