HW-03-12-08s-2 - IE 131 Homework Problems due(Chs 8 and 12...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
IE 131 Homework Problems due Mar 12, 2008 (Chs 8 and 12) 8.1 A factory has 10 departments, all of which have quality problems leading to delays in shipping products to customers. A breakdown of the number of quality problems for each department (listed alphabetically) is as follows: (1) assembly, 16; (2) final packaging, 9; (3) finishing, 37; (4) forging, 73; (5) foundry, 362; (6) machine shop, 294; (7) plastic molding, 120; (8) receiving inspection, 124; (9) sheet metalworking, 86; and (10) tool-making, 42. (a) Construct a Pareto chart for this data. (b) Assuming that all quality problems are of equal value, in which department would you start to take corrective action to reduce the quality problems? (c) Determine the percentage of total quality problems that are attributable to the two departments (20% of the departments) with the most quality problems. Solution : (a) Pareto chart. 36 2 29 4 300 200 12 4 120 86 100 73 42 37 16 9 Dept 5 6 8 7 9 4 10 3 1 2 (b) Begin taking corrective action in Dept 5. (c) Departments 5 and 6 account for 362 + 294 = 656 of the total quality problems. With
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 04/01/2008 for the course IE 131 taught by Professor Groover during the Spring '08 term at Lehigh University .

Page1 / 2

HW-03-12-08s-2 - IE 131 Homework Problems due(Chs 8 and 12...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online