problem1. Illustrate out how the ABC method or technique of inventory control is based on Pareto analysis
problem2. You are part of team who is performing a study on the causes of inventory discrepancies in a Ministry. The team has gathered the following information over a period of I2 weeks:
|
|
No of incidents
|
|
Wrong recording of issues
|
6
|
|
Wrong recording of receipts from suppliers
|
2
|
|
Over issue of stock
|
26
|
|
Under issue of stock
|
8
|
|
Error in counting inventory on hand
|
4
|
|
Pilferage
|
14
|
You are required to examine the above information using Pareto analysis
problem3. A study was conducted to determine the shrinkage rate of a material over time. 10 kg of the material was used for the test and measurements were taken over a period of 7 weeks. The results are shown below
|
Week
|
Weight (kg)
|
|
1
|
9.7
|
|
2
|
8.1
|
|
3
|
7.4
|
|
4
|
5.9
|
|
5
|
5.1
|
|
6
|
4.2
|
|
7
|
3.3
|
You are required to examine and comment on this information by using the suitable quality tool.
problem4. Data pertaining to the weight of an item has been gathered over a period of 2 weeks as set out below:
|
Weight (kg)
|
No. of items
|
|
10
|
4
|
|
10.2
|
6
|
|
10.3
|
8
|
|
10.4
|
10
|
|
10.5
|
7
|
|
10.6
|
5
|
|
10.7
|
3
|
You are needed to plot the data using a histogram and to comment thereon.