Statistics (SQC LPP) sem-5 b.sc 2019 previous question papers download

 Statistics (SQC & LPP) sem-5 b.sc 2019 previous question papers download

Subject :-(Statistics)

Subject name :-(SQC & LPP)

Year :-(2019)

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Syllabus 0f statistical quality control and Linear programming(SQC & LPP)

UNIT - 1

1. INTRODUCTION TO STATISTICAL QUALITY CONTROL 

1.1.  Introduction 

1.2.  Causes of Variation 

1.3.  Uses of SQC 

1.4.  Process and Product Control 

1.5.  Control Charts 

1.6.  Basis of Control Charts: 30 - Limits 

2. CONTROL CHARTS FOR VARIABLES 

2.1.  Tools for SQC 

2.2. Control Charts for Variables 

2.3.  Control Chart for Mean: X - Chart.  

2.4.  Control Chart for Range: R - chart 

2.5.  Control Chart for Standard Deviation: s - Chart 

3. CONTROL CHARTS FOR ATTRIBUTES (p, np CHARTS) 

3.1.  Stewart Control Charts for Attributes - An Introduction 

3.2.  Control Chart for Fraction Defective (p - chart) 

3.3.  p - chart for Variable Sample Size 

3.4.  Control Chart for Number of Defectives (d - chart or np - chart).  

3.5.  d - chart for Variable Sample Size 

 UNIT - II 

4. CONTROL CHARTS FOR ATTRIBUTES (C, u CHARTS)

 4.1.  Control Chart for Number of Defects per Unit (C - Chart) 

4.2.  Control Chart for Number of Defects for Variable Sample Size (u - Chart) 

5. PROCESS CAPABILITY ANALYSIS 

5.1.  Natural Tolerance Limits 

5.2.  Specification Limits 

5.3.  Process Capability Analysis 

5.4.  Modified Control Limits 

5.5.  Modified Control Charts

6. ACCEPTANCE SAMPLING PLANS 

6.1.  Acceptance Sampling 

6.2.  Types of Acceptance Sampling Plans 

6.3.  100 percent Inspection 

6.4.  Rectifying Inspection Plans 

6.5 Basic Terminology 

6.6.  Operating Characteristic (OC) Curve 

7. SINGLE AND DOUBLE SAMPLING PLANS 

7.1.  Single Sampling Plan 

7.2.  Calculation of Various Probabilities in Single Sampling Plan 

7.3.  ASN and ATI of Single Sampling Plan 

7.4.  OC Curve of Single Sampling Plan 

7.5.  Double Sampling Plan 

7.6.  OC Curve of the Double Sampling Plan 

7.7.  Producer's risk of Double Sampling Plan.  

7.8.  Consumer's Risk of Double Sampling Plan 

7.9.  ASN and ATI of Double Sampling Plan 

UNIT-IV

8. RELIABILITY 

8.1.  Introduction 

8.2.  Definition and Concept of Reliability 

8.3.  Reliability vs.  Quality 

8.4.  Reliability Program 

8.5.  Advantages of Reliability Program 

9. FAILURE DATA ANALYSIS 

9.1.  Introduction 

9.2.  Reliability Measures 

9.3.  Modes of Failure - The Bath Tub Curve 

9.4.  Exponential Distribution as a Failure Distribution of Life Model 

10. RELIABILITY FUNCTION AND ESTIMATION 

10.1.  Introduction 

10.2.  Derivation of Reliability Function 

10.3.  Hazard Models 

10.4.  Life Testing: Reliability Estimation 

11. SYSTEM RELIABILITY 

11.1.  Introduction 

11.2.  Series Configuration 

11.3.  Parallel Configuration or Redundant Configuration 

11.4.  Parallel -Series Configuration 

11.5.  Series - Parallel Configuration 

11.6.  k out of n Configuration

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Statistics_(SQC & LPP) (semester-5)

Statistics (SQC & LPP)_(sem-5) 2019(English medium)-question-paper download

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Important questions

1.What is Statistical Quality Control? 

2. Explain the construction procedure of d-chart. 

3. What is process capability index? ! Explain the concept of SQL. 

5. Distinguish between 100% inspection and no inspection. 

6. Define producer's risk and consumer's risk and give one example for each. 

7.Explain the importance and applications of Operations Research in different fields. 

8. Explain Slack and Surplus variables and give one example for each. 

9.Solve the following L.P.P graphically: 

10. What is duality in L.P.P.?

11. M. Explain the sequential steps for converting primal L.P.P. into dual L.P.P. 

12 Obtain the dual of the following L.P.P.: 

13. (a) Explain the construction procedure of Shewart Control Chart. Also mention limits of Shewart Control Chart. 

Or 

(b) Write a short note on control charts for variables. Derive the control limits of Range Chart.

14. Explain Single Sampling Plan for attributes with an example. 

Or 

(b) Explain the concept of OC Curve in acceptance Sampling Plan. Derive the OC Curve for double Sampling Plan with the parameters n, 90, c, -1, n, 130, C,-3. 

15. Solve the following Linear Programming problem using Simplex Method

Or 

(b) Explain the concept of artificial variables and discuss the Big-M method to solve any given linear programming problem.

16. (a) State and prove fundamental theorem of duality. 

Or 

(b) Explain dual simplex algorithm. Also mention advantages of dual simplex method.