A manufacturer of a particular grade of copper tubing collects data on the number of flaws occurring in 500 foot coils.Suppose they sample a total of 40 coils to initiate control charting.The average number of defects per coil is 2.5.The appropriate control chart for these data is the ________________________ .
A)R chart
B)c chart
C)x-bar and R chart
D)p chart
E)ARL chart

Question

Quizplus · Accepted Answer

The appropriate control chart for data involving counts of defects per unit (in this case, the number of flaws per coil) is the c chart. This chart is specifically designed for situations where the data represent counts of defects.

A Manufacturer of a Particular Grade of Copper Tubing Collects