Mathematics, 29.04.2021 01:30, 21megoplin
A salon and spa chain periodically analyzes its service times to check for variation in service processes. To do this, it uses R-charts. Seven samples, each containing observed service time with three different customers, were collected. The average mean and the average range of the service times are found to be 9.924 and 0.957, respectively. If D 4 for the R-chart is 1.924, the upper control limit (UCLr=D4*Rbar) for the R-chart will be:
Answers: 3
Mathematics, 21.06.2019 15:30, groverparham3
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Mathematics, 21.06.2019 16:00, rosehayden21
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Mathematics, 21.06.2019 18:00, lnbrown9018
Find the number of liters in 12.8 gal of gasoline. round to the nearest hundredths
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A salon and spa chain periodically analyzes its service times to check for variation in service proc...
Mathematics, 11.04.2020 22:18
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Mathematics, 11.04.2020 22:31
Mathematics, 11.04.2020 22:31