The -chart would be useful when we
A)took a number of measurements and computed the average.
B)took a number of measurements and computed the ranges.
C)found the fraction of the production lot defective.
D)found the number of defective items in a production lot.
E)None of the above

Question

The  -chart would be useful when we
A)took a number of measurements and computed the average. 
B)took a number of measurements and computed the ranges. 
C)found the fraction of the production lot defective. 
D)found the number of defective items in a production lot. 
E)None of the above

Quizplus · Accepted Answer

The 11eabb83_5a3d_062b_b8db_c71e04e8b888_TB2950_11-chart, also known as the individual and moving range chart, is used for monitoring a process over time by tracking the individual measurements and the range of variation between them. It is often used to calculate the average of a process by taking multiple measurements and computing the mean.

The -Chart Would Be Useful When We