Bar Charts and Histograms. Like dotplots, bar charts and histograms are used to compare the sizes of different groups.
Bar Charts A bar chart is made up of columns plotted on a graph. Here is how to read a bar chart. Box and Whisker Plot. A box and whisker plot is a graphical method of displaying variation in a set of data.
In most cases a histogram provides a sufficient display; however, a box and whisker plot can provide additional detail while allowing multiple sets of data to be displayed in the same graph. Some types are called box and whisker plots with outliers. Process Sigma Calculator. QuikSigma Professional - Six Sigma Statistical and Methodology Software. SPC Software for Excel.
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