Author Question: Red Top Cab Company receives multiple complaints per day about driver behavior. Over 9 days the ... (Read 34 times)

sc00by25 · **on:** Dec 3, 2019

Question 1

The upper and lower limits for diving ring diameters made by John's Swimming are 40 and 39 cm. John took 11 samples with the following average diameters (39, 39.1, 39.2, 39.3, 39.4, 39.5 39.6, 39.7, 39.8, 39.9, 40). Is the process in control?
◦ No, some diameters exceeded the control limits.
◦ Yes, no diameters exceeded the control limits.
◦ No, there is a distinguishable pattern to the samples.
◦ No, the range is not in control.
◦ There is not enough information to make a decision.

Question 2

Red Top Cab Company receives multiple complaints per day about driver behavior. Over 9 days the owner recorded the number of calls to be 3, 0, 8, 9, 6, 7, 4, 9, 8. What is the upper control limit for the c-chart?
◦ 0.00
◦ 9.03
◦ 8.45
◦ 24.00
◦ 13.35

mistyjohnson · **Reply #1 on:** Dec 3, 2019

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