Lean Six Sigma - Quick Study by Gygi Craig;

Lean Six Sigma - Quick Study by Gygi Craig;

Author:Gygi, Craig;
Language: eng
Format: epub
Publisher: BarCharts, Inc.


BOX-AND-WHISKER PLOT

Use to compare distributions of two or more instances of the same characteristic. Look for overlaps or gaps between distributions and differences or similarities in:

The range or spread of the distributions

The shape or symmetry of the distributions

The central locations of the distributions

To create a box-and-whisker plot:

Sort the data points from least to greatest.

Calculate the median, first quartile (Q1), and third quartile (Q3) for the data. The median is the data value corresponding to halfway through the sorted data. Excel: =MEDIAN(array) or =QUARTILE(array,2)



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