Operations Management Assignment Final 1

ASSIGNMENT COVER SHEET

ASSIGNMENT COVER SHEET

Surname

Amoo

First Name/s

Akinlawon Olubukunmi

Student Number

126625

Subject

Operations Management
Assignment Number
1

Tutor’s Name

N. ALWAR

Examination Venue
Johannesburg

Date Submitted

01 SEPTEMBER 2014

Submission (√)

First Submission

√

.resubmission

Postal Address
Unit 85 Brigadoon

Soutpansberg Road

Isandovale, Edenglen

Johannesburg

1609

E-Mail [e-mail] Contact Numbers
[phone] (Work)

(Home)

0731861752(Cell)

Course/Intake

MBA Year One January 2014

Declaration: I hereby declare that the assignment submitted is an original piece of work produced by myself.

Signature: AMOO AO

Date: 01-09-2014

Table of Content

Declaration: I hereby declare that the assignment submitted is an original piece of work produced by myself. i
List of Tables iii
List of Figures iii
Question 1 1
1.1 Conducting a Pareto analysis 1
1.2 Top three responses 2
1.2.1 Waiting time to see a physician. 3
1.2.2 Ease of getting a convenient appointment 4
1.2.3 Ease of getting through on the phone 5
1.3 Proposed process improvement 6
1.4 Corrective action plan for sources of dissatisfaction 7
Question 2 8
2.1 Definition of Six Sigma 8
2.2 Six Sigma improvement model 9
2.2.1 DMAIC process 9
2.2.2 Tools and techniques for the DMAIC process 12
2.2.3 Description of tools/techniques 12
Question 3 19
3.1 AON Network Diagram 19
3.2 Computing Slack Time 20
3.3 Different paths/Critical path 20
3.4 Gantt Chart 21
3.4.1 Method 1 21
3.4.2 Method 2 21
Bibliography 23

List of Tabl
Table 1 Pareto analysis 3
Table 2. Some statistical tools used in DMAIC . 15
Table 3 Comparison between Six Sigma and other quality programs. 19
Table 4 Computing slack time. 22
Table 5 Activity start and end dates. 23
Table 6 Activity duration. 23

List of FiguresY
Figure 1 Pareto analysis diagram for dissatisfied responses. 2
Figure 2 Cause-and-effect diagram

Bibliography: 1. Ahirwar, M. and Verma, D. (2014) A review of Six Sigma approach: methodology, implementation and future research. International Journal of Science and Research, 3(6), pp. 2129-2132. 3. Antony, J. (2006) Six Sigma for service processes. Business process Management Journal, 12(2), pp. 234-248. 4. Dogu, E. and Firuzan, A. A. (2008) Statistical approach to quality improvement and 5 7. Montgomery, D.C. and Woodall, W.H. (2008) An overview of Six Sigma. International Statistical Review, 76(3), pp. 329-346. 8. Nguenang, L.B. (2010) An approach to Six Sigma implementation in South African enterprises. MTech dissertation. Bellville, Cape town: Cape Peninsula University of Technology. 9. Pyzdek, T. (2003) The Six Sigma handbook. New York: McGraw-Hill. 10. Raisinghani, M.S., Ette, H., Pierce, R., Cannon, G. and Daripaly, P. (2005) Six Sigma: concepts, tools, and applications. Industrial Management and Data Systems, 105(4), pp. 491-505. 11. Senapati, N. R. (2004) Quality and reliability corner, Six Sigma: myths and realities. International Journal of Quality & Reliability Management, 21(6), pp. 683-690. 12. ServiceBazaar. (2005) Six Sigma for World Class Performance. [Online]. Available from: <http://www. ServiceBazaar.com/> [Accessed 15 August 2014]. Six Sigma Improvement model (DMAIC). Journal of Yasar University, 3(9), pp. 1093-1110. 13. Yang, C.C. (2010) Six Sigma and total quality management. Department of Industrial and Systems Engineering, Taiwan: Chung Yuan Christian University. 14. Yang, K. and El-Haik, B.S. (2009) Design for Six Sigma: a roadmap for product development. New York: The McGraw-Hill.