ASQ CQE Quality Engineer Exam Practice Test

The primary advantage of the Latin square design, compared to the factorial design, is that

The Dodge-Romig tables are designed to minimize which of the following parameters?

A typical use for the optical comparator would be to measure

An electronics firm was experiencing high rejections in their multiple connector manufacturing departments. "p" charts were introduced as part of a program to reduce defectives. Control limits were based on prior history, using the formula:

P' is the historical value of percent defective and n is the number of pieces inspected each week. After six weeks, the following record was accumulated

1,000 pieces were inspected each week in each department. Which department(s) exhibited a point or points out of control during this period (round off calculations to nearest tenth of a percentage point)?

An X-bar chart has shown control for a long time. You see that points for the last 50 samples are all very near the center line on the chart. In fact, they are all within one sigma of the center line. This probably indicates that

A process has been experiencing problems lately. The operators charting the process have identified the cause to be due to a change in incoming materials. This problem is

Which of the following control charts are more efficient than an X-bar chart at detecting small shifts in the mean?

. CUSUM.

. EWQR.

. EWMA.