10 free CSSGB practice questions in the real exam format, covering the official content areas, with an explanation for every answer.
CSSGB Practice Test 2Tutor mode
Question 1 of 10
Control Phase
A machining cell charts shaft diameter on an X̄-R chart (n = 5); the R chart is in control. The plant treats 8 consecutive points on one side of the center line as a special-cause signal. What does the X̄ chart indicate?