#1: Basic Quality Tools INSTRUCTIONS: Use MINITAB 17 to complete the following exercises. You will need to read the data set description using the HELP command in order to make meaningful interpretations. Be sure to comment on your results when asked. You are to work independently on this assignment. Please submit your completed assignment, with relevant MINITAB output and comments, as ONE WORD document by the due date. This assignment is worth a total of 50 points. [4 pts] 1. Use the data file SURFACEFLAWS.MTW and create a cause-and-effect diagram with sub-branches. HINT: You will need to use sub-branches associated main branches of Man, Machine and Measure. Don't forget to type in the Effect! [6 pts] 2. Use the data file SUGAR.MTW. Construct a scatter diagram to examine the relationship between the two methods for measuring the sugar content of grapes. Based on the findings, what would you decide regarding the use of the cheaper field method? [18 pts] 3. Use the data file TOYS.MTW. (a) Construct a scatter diagram to examine the relationship between the length and weight of toy cars. Describe the relationship. (b) Prepare histograms for both the length and weight of cars. Describe the shape of each distribution. [6 pts] 4. Use the data file BPCAPA.MTW. (a) Prepare a histogram for the lengths of wire. Describe the shape of the distribution. (b) Explain why it is appropriate to use a histogram and not a bar chart for these data. [16 pts] 5. Use the data file DEFECTS.MTW. (a) Construct a Pareto diagram that shows frequency of defects by type. Interpret your results. (b) Construct a Pareto diagram that shows frequency of defects by plant. Interpret your results. (c) For which of the applications is the Pareto analysis more useful. Explain. with