M.Sc. DEGREE EXAMINATION, APRIL/MAY 2018.
Second Semester
(OR SQC)
STATISTICAL QUALITY CONTROL II
2 21225-A
Time 3 Hours Max. Marks 70
SECTION — A
Answer any FIVE questions. 6 30 Marks)
1. What is process control?
2. Explain Producer's Risk Consumer's Risk.
3. What are OC and ASN curves? Explain its uses.
4. What are multiple fraction defective sampling plans?
5. Explain AOQ and ATI curves.
6. What is a multiple sampling plan?
7. What is dodge? Explain in brief.
8. What are continuous sampling plans?
SECTION — B
Answer ALL questions. 10 40 Marks)
9. Write the Double Sampling plan for Consumer's Risk.
Or
10. What are sampling plans? Explain Type-A, Type-B and O.C. curves.

11. Write the procedure to design a variable sampling plan under the assumptions and
normality.
Or
12. Design the sampling plan to a variable with single and double specifications limits
under the assumption of normality.
13. Discuss rectifying inspection with a LOT-BY-LOT sampling in brief.
Or
14. Discuss Rectifying inspections with AOQ and ATI curves.
15. Discuss chain sampling for inspection of attributes.
Or
16. Discuss the design of a sequential sampling by variables also explain SPR plans for
continuous production.
———————