A box of Wheal Chex cereal is to be filled to mean weight of 466 grams. The lower specification limit is of 53 grams (the labeled weight is 453 grams) and the upper specification limit is 477 grams (so as not to overfill the box). The process standard deviation is 2 grams. (a)Find the Cp,and Cpk capability indexes. (b) Assess the process capability. (c) Why might it be difficult to reduce the variance in this process to raise the capability indices? Hint:A single Wheat Chex weighs.3 g (30 mg).
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