Homework: M2 Assignment 1: Attribute SPC Sample 1 2 3 4 5 Irregularities 12 A textile manufacturer wants to set up a control chart for irregularities (e.g., oil stains, shop soil, loose threads, and tears) per 100 square yards of carpet. The following data were collected from a sample of twenty 100-square-yard pieces of carpet: 13 5 15 7 Question 4, Problem 19 Part 1 of 2 Sample 6 7 8 9 10 HW Score: 0%, 0 of 60 points O Points: 0 of 10 Irregularities Sample Irregularities Sample 10 11 11 16 12 6 13 14 15 12 7 7 18 17 17 9 17 18 19 20 a. Using these data, set up a c-chart with z = 3. The UCL equals and the LCL, equals (Enter your responses rounded to two decimal places.) Save Irregularities 10 12 18 13 5 Homework: M2 = Assignment 1: Attribute SPC Question 5, Problem 20 Part 1 of 2 HW Score: 0%, 0 of 60 points O Points: 0 of 10 Save A travel agency is concerned with the accuracy and appearance of itineraries prepared for its clients. Defects can include errors in times, airlines, flight numbers, prices, car rental information, lodging, charge card numbers, and reservation numbers, as well as typographical errors. As the possible number of errors is nearly infinite, the agency measures the number of errors that do occur. The current process results in an average of two errors per itinerary. a. What are the two-sigma control limits for these defects? The UCL equals and the LCL, equals (Enter your responses rounded to three decimal places. If your answer for LCL is negative, enter this value as 0.) Homework: M2 Assignment 1: Attribute SPC Question 6, Problem 21 Part 1 of 2 Jim's Outfitters, Inc., makes custom fancy shirts for cowboys. The shirts could be flawed in various ways, including flaws in the weave or color of the fabric, loose buttons or decorations, wrong dimensions, and uneven stitches. Jim randomly examined 10 shirts, with the following results shown to the right. HW Score: 0%, 0 of 60 points O Points: 0 of 10 Shirt 1 2 3 4 5 6 7 8 9 10 Defects 2013193586 7 7 Save a. Assuming that 10 observations are adequate for these purposes, determine the three-sigma control limits for defects per shirt.. The UCL, equals and the LCL, equals. (Enter your responses rounded to two decimal places. If your answer for LCL is negative, enter this value as 0.)