Visualization methods enhance our understanding of sample data and help us make comparisons across samples. Box plots are a simple but powerful graphing tool that can be used in place of histograms to ...
When data is presented as a list of numbers, it can be difficult to interpret. If it is summarised in a diagram it is easier to draw conclusions and to compare with a different data set. A box plot is ...
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 ...
The following example uses the flight delay data of the preceding example to illustrate how you can create box plots with various styles of box-and-whisker plots. The following statements create a ...
Microsoft Excel, a spreadsheet and data analysis program, is available as a stand-alone program or as a component of the Microsoft Office productivity suite. Excel 2007 included a number of new ...
Bar charts are a way to represent categorical data visually, in a horizontal or vertical display. Bars can be single, stacked, or grouped. By looking through the whole chart, it is easy to see the ...