In case of variables charts, for a process to be in control bothx chart and R chart should be in control.

In case of variables charts, for a process to be in control bothx chart and R chart should be in control. Correct Answer True

In case of variables charts, for a process to be in control both x chart and R chart should be in control because x chart gives information about the accuracy of the process and R chart about the precision of the process.
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Related Questions

Which of the following is/are the advantages of using a control chart for inspection? (i) A control chart indicates whether the process is in control or out of control. (ii) A control chart determines process variability. (iii) A control chart ensures product quality. (iv) Scrap or percentage reduction can be reduced by taking the necessary actions in time against the warnings indicated by control charts. (v) Control charts build up the reputation of the organization through customer’s satisfaction. (vi) The control chart can detect the unusual variations taking place in a process.
Data for _________ process control can be presented in whichever form in which data is commonly presented for analysis, presentations, and comparison. These tools include bar charts, pie charts, scatter plots to relate two or more variables, Pareto charts, and control charts.
Which of these charts can be used instead of Shewhart control charts, in the case of small number of subgroups used to construct the charts, which were recommended by Quesenberry?
Proper type of control charts to be prepared, must be chosen after choosing the point in the process at which the control charts will be implemented.
Charts can be
1. pictorial
2. organisation, flow chart
3. suspense chart
4. strip tease chart
Control charts for central tendency and the variability are called _________ control charts.
The control charts formed for judgment of conformities and non-conformities are called ______ control charts.
Variable control charts can also be applied on attributes but their efficiency will be less as compared to the attribute control charts.
What is analogous to the control limits as in Shewhart control charts, in the cusum status charts?
What is the printout of the following switch statement?
char ch = 'a'; switch (ch){ case 'a': case 'A': System.out.print(ch); break; case 'b': case 'B': System.out.print(ch); break; case 'c': case 'C': System.out.print(ch); break; case 'd': case 'D': System.out.print(ch);}