The ________ is used to identify slight but sustained shifts in a universe where there is no independence between observations.
A) cusum chart
B) moving average chart
C) s chart
D) np chart
E) R chart

Question

Quizplus · Accepted Answer

The cusum chart (cumulative sum control chart) is specifically designed to detect small shifts in the process mean by accumulating deviations from a target value, making it effective when observations are not independent.

The ________ Is Used to Identify Slight but Sustained Shifts