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Control Chart, Regression and Process Capability -AboveWay Sandwich, Inc. Customer Satisfaction Improvement

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Question;AboveWay Sandwich, Inc. Customer Satisfaction ImprovementDo you;agree with their interpretation that the original process is stable?;If "NO", please identify BY NAME which of the 11 Shewhart Tests for;Stability EACH chart fails. Revised Process Prep Data INDIVIDUALS;CHART: What did you get for a center line? What did you get;for an upper control limit? What did you get for a lower control;limit? Revised Process Prep Data MOVING RANGE CHART: What;did you get for a center line? What did you get for an upper;control limit? What did you get for a lower control limit? Is;the revised process stable? If "NO", please identify BY NAME which;of the 11 Shewhart Tests for Stability EACH chart fails.AboveWay;Sandwich, Inc. Customer Satisfaction Improvement Deliverable;Regression Analysis Student last name: Your last name here PART;1: Using Lunch & Dinner Data What is the correlation coefficient?;What is the regression equation? What percentage of variation;is explained by the model? HINT: There are 2 related values that can be;used to answer this question. Show them BOTH and explain which value;you would recommend using and why. Based on an ANOVA of the;regression equation, is the regression equation statistically;significant at 5% alpha risk? Why do you you say that it is either;statistically significant or not? HINT: Use the results of your ANOVA as;the basis for your answer. What is the null hypothesis for ANOVA;for a regression equation? PART 2: Using Only Lunch Data What is;the correlation coefficient for Lunch? What is the regression;equation for Lunch? What percentage of variation is explained by;the Lunch model? HINT: There are 2 related values that can be used to;answer this question. Show them BOTH and explain which value you would;recommend using and why. Based on an ANOVA of the regression;equation, is the regression equation statistically significant at 5%;alpha risk? Why do you you say that it is either statistically;significant or not? HINT: Use the results of your ANOVA as the basis for;your answer. Given the results of this study, what should your Black;Belt do next to improve customer satisfaction at lunch? PART 3: Using;Only Dinner Data What is the correlation coefficient for Dinner?;What is the regression equation for Dinner? What percentage of;variation is explained by the Dinner model? HINT: There are 2 related;values that can be used to answer this question. Show them BOTH and;explain which value you would recommend using and why. Based on an;ANOVA of the regression equation, is the regression equation;statistically significant at 5% alpha risk? Why do you you say that it;is either statistically significant or not? HINT: Use the results of;your ANOVA as the basis for your answer. Given the results of this;study, what should your Black Belt do next to improve customer;satisfaction at dinner? AboveWay Sandwich, Inc. Customer;Satisfaction Improvement Deliverable: Process CapabilityWhat did you;get for Cp? What did you get for Cpk? What, specifically;does this particular Cpk tell you about the process that other Cpk's may;not? What did you get for Pp? What did you get for Ppk?What did;you get for Z-score? What does this Z-score mean? HINT: Use the z;score you calculated in a sentence that explains what it tells you about;this process. Using the z score calculated above and a z table;estimate the % of sandwiches that will be made within the 1.5 minute;goal. PPM (aka DPMO) beyond the 1.5 minute goal

 

Paper#61271 | Written in 18-Jul-2015

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