PathWave Manufacturing Analytics – Test Time Distribution
应用文章
Box and Whisker Chart
Before we go into the details on Test Time Distribution, it is useful to understand ‘Box and Whisker Chart’ as this, is the chart that is used in representing the Test Time Distribution in PathWave Manufacturing Analytics.
Box and Whisker Chart is a visual representation of data distribution as a Five Number Summary.
• Minimum
• First Quartile (Q1)
• Median (Second Quartile – Q2)
• Third Quartile (Q3) • Maximum
For data distributions spread over range you need to have information on the variability of the data. Box and Whisker Chart gives a good indication of how the values in the data are spread out. It summarizes the data measurements on an interval scale and clearly indicates the symmetricity of data, how tightly is it grouped, and how is the data skewed.