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Natural Foods sells Takeoff, a breakfast cereal, in one - pound boxes. According to Food and Drug Administration ( FDA ) regulations, a one -
Natural Foods sells Takeoff, a breakfast cereal, in one pound boxes. According to Food and Drug Administration FDA regulations, a onepound box must contain at least ounces of cereal. However, Natural Foods boxfilling process is not perfect: its precision, expressed in terms of the standard deviation of the weight of a onepound box filled, is ounces.a Where should Natural Foods center its process in order to ensure that of boxes filled meet FDA requirements? What proportion of boxes would be overfilled beyond ounces?
b While underweight boxes might prompt FDA action, overweight boxes certainly cost Natural Foods in terms of higher material costs. Therefore, quality control manager Morris Nerdstat wants to monitor the cerealfilling process in order to ensure that its mean does not deviate from the level estab lished in Part a He plans to weigh nine randomly selected boxes at regular time intervals and plot the average weight on a chart. At one point, he finds an average weight of ounces. The companys legal staff is pleased that this performance is better than the FDA requirement of ounces. What action, if any, should Nerdstat take?
c What targets in terms of the mean and the stan dard deviation would result in the process with sixsigma capability?
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