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The control charts based directly on the sample variance are called ____________

The control charts based directly on the sample variance are called ____________ Correct Answer s2 Control charts

The variable control charts are based on the range method or standard deviation method, but some practitioners use charts based directly on the sample variance, which are called the s2 control charts.

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.
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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.