A) What kind of quality control is inspection (appraisal/SPC) and when do we use it? What is the optimal level of inspec

[answerhappygod]

A) What kind of quality control is inspection (appraisal/SPC)and when do we use it? What is the optimal level of inspection?
What are the two costs that determine this optimality and whatis their relationship? You may draw a figure/graph to support yourargument.
OR
B) Consider the following data and answer thequestions:
1
2
3
4
5
6
7
8
9
10
11
12
13
14
NUMBER OF SCRATCHES
2
3
1
0
1
3
2
0
2
1
3
1
2
0