Download OU B.Sc 2019 Dec 5th Sem (3rd Year) 8193 Statistics Question Paper

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FACULTY OF SCIENCE

B.Sc. V - Semester Examination, November / December 2019

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Statistics

Statistical Quality Control and Reliability

Paper: VI - A (DSE - 1)

Time: 3 Hours

Max Marks: 75

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PART - A (5 x 3 = 15 Marks)

(Short Answer Type)

Each question carries 3 marks.

1. Write the uses of statistical quality.
2. What are the different types of variables?

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3. Write about the importance of SQC in industry.
4. List the applications of C-Chart.
5. Define Natural Tolerance Limits and Specification Limits.
6. Explain the terms:
   1. ASN
   2. ATI

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   3. AOQL
7. Distinguish reliability and quality.
8. Write about:
   1. Failure Density
   2. Hazard Rate

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   3. Modes of Failure

PART - B (3 x 15 = 45 marks)

(Essay Answer Type)

Note: Answer all the following three questions. Each question carries 15 marks.

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1. a) Define Statistical Quality Control. Explain the rational basis of Shewart Control Charts.
   OR
   b) Explain interpretation of Mean and Range charts.
2. a) What is meant by Acceptance Sampling Plan? Explain the advantages and disadvantages of single and double sampling plans.
   OR
   

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   b) Explain the terms producer's risk and consumer's risk.
3. a) Define Reliability. Explain the terms series and parallel configurations.
   OR
   b) Explain the measures of Reliability.

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