Monitoring and Control Report

Please see data excel sheet attached:

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Mini Case 1 Set-up*
Lifespan Pharmaceutical Ltd. is among the major producers of sachet water in Zaria-Nigeria. The product of Lifespan Pharmaceutical Limited is highly consumed in Zaria and its surroundings. Within Kaduna State, it ranks among the highest patronized packaged water. Data has been collected to monitor quality in Lifespan’s water packaging process. Data was collected using the random sampling method; it involved the inspection of some randomly selected finished products on a daily basis. The data on the number of defective sachets were collected two times (morning and afternoon shifts) per day. This was done for three weeks. The data reporting the number of defective sachets per day is in the file MiniCasesQCData.xlxs (SEE ATTACHED)
You have been asked to produce a monitoring and control report of the current state of the production process and to determine whether the process is in control or not. This report must include control charts, an analysis of the results and suggestions for the company’s quality control efforts. Suggestion: Analysis the data by day of the week.

Mini Case 2 Set-up**
US Tube Supply is a nationwide distributor of carbon, alloy, and stainless steel as well as aluminum tubes and pipes. The company has high-quality standards and it is committed to continuous process improvement. Their most successful product line is the alloy steel tubing known for its tensile strength, yield strength, fatigue resistance, toughness, and wear resistance. Compared to carbon steel, alloy achieves higher physical properties and durability. US Tube Supply offers a wide variety of grades and specifications are available in alloy steel. The most common customer request is their annealed steel 1” x 5’ pipe. The company utilizes a random sampling method to collect data regarding the pipe’s height and diameter from pipe industry. The data is available in the file MiniCasesQCData.xlxs. (SEE ATTACHED)
You have been asked to produce a monitoring and control report of the current state of the production process and to determine whether the process is in control or not. This report must include control charts, an analysis of the results and suggestions for the company’s quality control efforts. If the process is in and out of control status, hypothesize about possible assignable causes and proper steps to follow.

* This case study was drafted based on Nnamani ,C.N.and S.H. Fobasso 2013, ‘Statistical Quality Control of Manufactured Products (Case Study of Packaging at Lifespan Pharmaceutical Limited)’, International Journal of Pure and Applied Sciences and Technology, ISSN 2229– 6107, 15(1), pp. 20-30

** This case study was drafted based on Momin, M. S. A., Kader, M. G., & Rahaman, M. M. (2016). Study on Quality Control Charts in a Pipe Manufacturing Industry. Int. J. Mech. Eng. Autom, 3(9), 359-364.

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