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In an effort to make better use of its resources, the New York City Food Bank engaged in lean process improvement. This employeedriven kaizen effort

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In an effort to make better use of its resources, the New York City Food Bank engaged in lean process improvement. This employeedriven kaizen effort resulted in a new method for packing meals for distribution to needy families. One goal of the process improvement effort was to reduce the variability in the mealipacking time. The following table summarizes information from a sample of data using the current method and the new method. Did the kaizen event successfully reduce the population variation? Use a: = 0.10 and formulate the appropriate hypothesis test. Current Method New Method Sample Size 111 = 26 112 = 26 Sample Variance of = 22 a: = 11 State the null and alternative hypotheses. H.._@.g H.._@a: Calculate the value of the test statistic (to 2 decimals)

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