Multiple Choice
Control charts were first used by Dr.Walter Shewhart at Bell Laboratories to make a distinction between ________.
A) process attributes and process variables
B) a process in control and one that is stable
C) common causes of variation and special causes of variation
D) machined parts and die cut parts
Correct Answer:

Verified
Correct Answer:
Verified
Q1: A table of values can be used
Q3: The <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB2972/.jpg" alt="The -chart
Q4: Which of the following are two important
Q5: What is the standard deviation if a
Q6: An <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB2972/.jpg" alt="An -chart
Q7: The number of nonconforming items in each
Q8: A process is considered out of control
Q9: Find the control limits for the R-chart
Q10: A process is considered to be under
Q11: Quality control methods help employees do all