![]() Draw the vertical (y) and horizontal (x) axes of a graph.Find the highest and lowest value for both variables.Both factors must be measurable on some incremental linear scale. Decide which paired factors you want to examine.The extent to which the dots cluster together in a line across the diagram shows the strength. ![]() Dots representing data points are scattered on the diagram.These variables could be Critical to Quality (CTQ) characteristics and a factor affecting it two factors affecting a CTQ or two related quality characteristics.A scatter diagram shows the correlation between two variables in a process.To identify the correlations that might exist between a quality characteristic and a factor that might be driving it.To facilitate the classification of data (stratification).Collect data in a systematic and organized manner.Data collected can be used as input data for other quality tools.Tool for collecting and organizing measured or counted data.
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