Wallpaper defects data

A quality engineer for a wallpaper manufacturer wants to assess the stability of the printing process. Every hour, the engineer takes a sample of 100 feet of wallpaper and counts the number of printing defects, which include print smears, pattern distortions, and missing ink.

You can use this data to demonstrate C Chart.

Worksheet column Description
Sample ID The sample identifier
Defects The count of printing defects on each wallpaper sample
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