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Piston Rings for an Automotive Engine Are Produced by a Forging

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Piston rings for an automotive engine are produced by a forging process.We monitor the inside diameter of the rings manufactured by this process using an Piston rings for an automotive engine are produced by a forging process.We monitor the inside diameter of the rings manufactured by this process using an   and an s control chart.Samples of size 4 are taken at regular intervals,and the sample means and standard deviations are computed and plotted on the charts in time order.The overall mean of the sample means is   <sub> </sub> = 73.97 millimeters,and the sample standard deviation of all measurements is s = 0.03 millimeters.Specifications call for the inside diameter of the rings to be 74.00 ± 0.10 millimeters.The control chart constants are (partially) reproduced below.   What is the value of an estimate of the capability index C<sub>pk</sub>? A) 0.72 B) 0.78 C) 1.02 D) 1.11 and an s control chart.Samples of size 4 are taken at regular intervals,and the sample means and standard deviations are computed and plotted on the charts in time order.The overall mean of the sample means is Piston rings for an automotive engine are produced by a forging process.We monitor the inside diameter of the rings manufactured by this process using an   and an s control chart.Samples of size 4 are taken at regular intervals,and the sample means and standard deviations are computed and plotted on the charts in time order.The overall mean of the sample means is   <sub> </sub> = 73.97 millimeters,and the sample standard deviation of all measurements is s = 0.03 millimeters.Specifications call for the inside diameter of the rings to be 74.00 ± 0.10 millimeters.The control chart constants are (partially) reproduced below.   What is the value of an estimate of the capability index C<sub>pk</sub>? A) 0.72 B) 0.78 C) 1.02 D) 1.11 = 73.97 millimeters,and the sample standard deviation of all measurements is s = 0.03 millimeters.Specifications call for the inside diameter of the rings to be 74.00 ± 0.10 millimeters.The control chart constants are (partially) reproduced below. Piston rings for an automotive engine are produced by a forging process.We monitor the inside diameter of the rings manufactured by this process using an   and an s control chart.Samples of size 4 are taken at regular intervals,and the sample means and standard deviations are computed and plotted on the charts in time order.The overall mean of the sample means is   <sub> </sub> = 73.97 millimeters,and the sample standard deviation of all measurements is s = 0.03 millimeters.Specifications call for the inside diameter of the rings to be 74.00 ± 0.10 millimeters.The control chart constants are (partially) reproduced below.   What is the value of an estimate of the capability index C<sub>pk</sub>? A) 0.72 B) 0.78 C) 1.02 D) 1.11 What is the value of an estimate of the capability index Cpk?


A) 0.72
B) 0.78
C) 1.02
D) 1.11

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