August 2014
Intermediate to advanced
166 pages
3h 28m
English
Content preview from Statistical Process Control for Managers
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
Start your free trial



Defects are not free. Somebody makes them, and gets paid for making them.
—W. Edwards Deming
The previous two chapters discussed control charts for variable data, which are continuous measurement information such as height, weight, length, concentration, and pressure. This chapter discusses control charts for attribute data that are go or no-go or count information. Examples include the number of defective units, the number of defects in a unit, the number of complaints received from dissatisfied customers, and the number of patients whose meals were delivered more than 15 minutes late. The theory supporting control charts for attributes is the same as has been discussed in Chapter 3. However, while the ...