Complete all questions and problems. Make sure to show all work. Partial credit can be awarded.
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Microsoft Word - Assignment#2_New.docx Problem 1 The Three Sigma Pizza Emporium is experiencing problems with pizza delivery. Below is a poor problem statement: Customers are complaining about delivery times. I would like you to rewrite the poor problem statement above as an effective problem statement in the table below, making sure to include all four required elements. Each response in the table below should be written as a complete sentence, or two. I should be able to read the sentences from top to bottom as an integrated paragraph that describes the problem. Problems Statement Element Response A brief description of the problem and the metric used to describe the problem è Where the problem is occurring by process name and location è The time frame over which the problem has been occurring è The size or magnitude of the problem è Problem 2 Returning again to the Three Sigma Pizza Emporium situation, below is their poor objective statement. Improve pizza delivery times. I would like you to help the team prepare an effective objective statement for the pizza delivery Six Sigma project by rewriting the poor objective statement above as an effective objective statement in the table below, making sure to include all six required elements. Each response in the table below should be written as a complete sentence, or two. I should be able to read the sentences from top to bottom as an integrated paragraph that describes the objective of the Six Sigma project. Objective Statement Element Response The metric to be improved è The current baseline è The goal è The timeframe for improvement è Alignment with corporate goals or objectives è Impact on corporate goals or objectives è Problem 3 Create a SIPOC diagram with 4 to 7 process steps for one of the following activities: Ø Registering for classes. Ø A regular visit to your doctor’s office. Ø Changing the oil in an automobile. Ø Changing a flat tire. Problem 4 Create a swim-lane process map for placing and receiving an order at a fast food restaurant. Ø Please choose a restaurant where you can see the food being prepared (e.g Panera Bread, McDonalds, Arbys, Subway, Taco Bell, etc.). Ø Your process map will have three swim-lanes: you, cashier (taking your order), and cook (preparing food). Ø You do not need to include any metrics (times, distances, etc.). Microsoft Word - Assignment#3.docx 1. What are the differences between attribute measurement and variable measurement? 2. What an inspector should do when a defect is found? 3. What are the differences between natural variations and assignable variations? 4. For a process quality characteristics, the specification limits are 0.4037 +/- 0.0013 (that is from 0.4024 to 0.4050). The following data gives the data for 14 measurement data sets, each data set is a subgroup of 5 measurement. The value is recorded in the units of 0.0001 (that is, the specification limit will be considered 24 to 50) Based on the following data, compute Cp,Cpk,Pp and Ppk.(Use MINITAB is ok) and determine if the capability of the process. Subgroup # 1 2 3 4 5 Subgroup # 1 2 3 4 5 1 36 35 34 33 32 8 34 38 35 34 38 2 31 31 34 32 30 9 36 35 37 34 33 3 30 30 32 30 32 10 30 37 33 34 35 4 32 33 33 32 35 11 28 31 33 33 33 5 32 34 37 37 35 12 33 30 34 33 35 6 32 32 31 33 33 13 35 36 29 27 32 7 33 33 36 32 31 14 33 35 35 39 36 5. The following table listed 25 subgroups of measurement data with group size 3: # c1 c2 c3 # c1 c2 c3 1 50.3175 50.1224 50.4081 14 49.4319 50.1432 49.2045 2 49.5077 49.7629 49.4091 15 50.3789 50.2715 50.5952 3 49.3587 49.639 49.5229 16 48.6722 49.1436 49.1306 4 49.5005 49.5897 49.7904 17 49.5332 50.4829 50.0007 5 47.911 49.5549 48.6716 18 49.4866 47.9221 50.4324 6 49.8851 49.8281 49.8762 19 48.6924 50.1697 49.8926 7 49.9994 50.6484 50.4223 20 50.8253 50.7303 50.8569 8 49.58 49.4764 49.7899 21 50.3306 49.8906 49.5988 9 51.106 50.2333 50.4464 22 49.9728 51.6716 50.7228 10 50.7538 49.9355 51.4371 23 50.5934 50.7355 49.3386 11 49.7322 49.6442 50.2943 24 49.5547 49.7753 49.7181 12 48.5373 51.9875 48.6112 25 51.3211 48.048 51.7502 13 48.6753 48.9048 49.3312 (a) The specification limits are 49 +/- 3. Assume that the data is normally distributed! Estimate process capability ratio’s (Cp, Cpk, Pp, Ppk). Is the process capable? (b) If the specification limits were 51 +/- 3. Re-calculate process capability ratio’s (Cp, Cpk, Pp, Ppk). Is the process still capable? (c) Comment on the difference between Cp and Cpk ratios.