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How to build x and R chart

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When set at the standard position, Autopitch can
throw hard balls toward a batter at an average speed
of 60 mph. Autopitch devices are made for both
major- and minor-league teams to help them improve
their batting averages. Autopitch executives
take samples of 10 Autopitch devices at a time to
monitor these devices and to maintain the highest
quality. The average range is 3 mph. Using controlchart
techniques, determine control-chart limits for
averages and ranges for Autopitch.

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Solution Summary

The solution provides steps how to find out x and R chart.

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