CQE 無料問題集「ASQ Certified Quality EngineerExam」
A test-retest study is performed to a coordinate measuring machine (CMM) using a working standard of
100.00 ± 0.001 mm (95% confidence). The length of the standard is measured 30 rimes. The mean and standard deviation of the measurements are x = 107.88: mm and 5 = 2.497 mm. All of the measurements are made are the same location on the standard and are taken by the same technician, who mounts and dismounts the unit for each measurement.
The necessary correction for the CMM is estimated to be
100.00 ± 0.001 mm (95% confidence). The length of the standard is measured 30 rimes. The mean and standard deviation of the measurements are x = 107.88: mm and 5 = 2.497 mm. All of the measurements are made are the same location on the standard and are taken by the same technician, who mounts and dismounts the unit for each measurement.
The necessary correction for the CMM is estimated to be
正解:C
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