Answered step by step
Verified Expert Solution
Question
1 Approved Answer
Question 15 1 pts Assume an established quality control chart are as follows: X-bar chart is [150, 170), and R-chart is [20,50). A sample of
Question 15 1 pts Assume an established quality control chart are as follows: X-bar chart is [150, 170), and R-chart is [20,50). A sample of six performance data were recorded: 140, 125, 170, 145, 156 and 180. Based on the information of sample mean and sample range, and the assumed established control chart, please determine whether the sample process is in control or not. A. Yes, the process is in control. B. No, the process is out of control, because X-bar chart alone is not satisfied. C. No, the process is out of control, because R chart alone is not satisfied. D. No, the process is out of control, because both X-bar chart and R chart are not satisfied. OB OD
Step by Step Solution
There are 3 Steps involved in it
Step: 1
Get Instant Access to Expert-Tailored Solutions
See step-by-step solutions with expert insights and AI powered tools for academic success
Step: 2
Step: 3
Ace Your Homework with AI
Get the answers you need in no time with our AI-driven, step-by-step assistance
Get Started