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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 employee-driven 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 meal-packing 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. Sample Size Sample Variance State the null and alternative hypotheses. Hoo of H₁: o> of Calculate the value of the test statistic (to 2 decimals). The p-value is greater than 0.20 What is your conclusion? Current Method Do not conclude improvement. 7=41 =21 Use Table 4 of Appendix B. New Method ny=20 that the population variances has decreased due to the lean process

In an effort to make better use of its resources, the New York City Food Bank engaged in lean process improvement. This employee-driven 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 meal-packing 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. Sample Size Sample Variance State the null and alternative hypotheses. Hoo of H₁: o> of Calculate the value of the test statistic (to 2 decimals). The p-value is greater than 0.20 What is your conclusion? Current Method Do not conclude improvement. 7=41 =21 Use Table 4 of Appendix B. New Method ny=20 that the population variances has decreased due to the lean process

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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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 employee-driven 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 meal-packing 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. Sample Size Sample Variance State the null and alternative hypotheses. The p-value is greater than 0.20 What is your conclusion? Current Method Ho: o of H₁: o of Calculate the value of the test statistic (to 2 decimals). Do not conclude improvement. 7₁ = 41 4=21 Use Table 4 of Appendix B. New Method m₂ = 20 that the population variances has decreased due to the lean process
Transcribed Image Text:In an effort to make better use of its resources, the New York City Food Bank engaged in lean process improvement. This employee-driven 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 meal-packing 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. Sample Size Sample Variance State the null and alternative hypotheses. The p-value is greater than 0.20 What is your conclusion? Current Method Ho: o of H₁: o of Calculate the value of the test statistic (to 2 decimals). Do not conclude improvement. 7₁ = 41 4=21 Use Table 4 of Appendix B. New Method m₂ = 20 that the population variances has decreased due to the lean process
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