Question: In a gauge R&R study, 2 inspectors use the same gauge to measure 10 different batches of parts 3 times each. For each inspector, the
In a gauge R&R study, 2 inspectors use the same gauge to measure 10 different batches of parts 3 times each. For each inspector, the averages and ranges of the 3 measurements on each batch are given below (units are in mm): Batch Number Inspector 1 Inspector 2 R R 1 149/3 1 149/3 3 2 155/3 1 153/3 0 3 153/3 3 157/3 3 4 150/3 2 149/3 3 5 145/3 1 145/3 1 6 152/3 2 152/3 2 7 153/3 0 151/3 1 8 151/3 3 151/3 5 9 151/3 1 148/3 3 10 142/3 3 141/3 2 Average 150.1/3 1.7 149.6/3 2.3 (a) Please estimate gauge. (b) Suppose the total observed variance (total) is 5.60mm2. Estimate the variability of product. (c) Suppose the USL and LSL are 50 10mm, respectively. Assess the capability of the measurement system
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