Six_Sigma
ICBB · Question #259
ICBB Question #259: Real Exam Question with Answer & Explanation
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Question
Why do we use averages and sigma chart for large samples instead of averages and ranges chart?
Options
- AFor large samples, a single extreme observation will have a significantly large effect on range,
- BRange is a better measure of dispersion than standard deviation.
- CFor large samples, calculation of range is laborious in comparison to standard deviation.
- DNone of the above.
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