Volume 12

 CONTENTS

  1.      Improved Estimators for Population Mean using Two Auxiliary Variables in Missing Data

Ajeet Kumar Singh, Rajpal, Kapil Soni and Amrita Kumari ………………………1-13

 2.        Direct Calibration Estimator Using Auxiliary Character

 Amit Kumar* (*Corresponding Author)……………………………………………14-21

3.        Mitigation of Defects in CD-R Manufacturing Process Through Cause & Effect Diagram

Vikas Tyagi, Vivek Tyagi and Lalit Kumar* (*Corresponding Author)……………………..22-33

4.        Estimation of Production Function and productivity of Indian Cement Industry : (A comparison with All India Industries)

 Binod Kumar Pandey, Parimal Priyaranjan and R.N.Mishra* (*Corresponding Author)….34-56

5.        TL Studies in KCl doped with Sr2+ ions

Mayank Pandey, A.K.Mishra, Pradeep Gupta and Navin Pant……………………..57-59

 6.       Selection of Reliability Sampling Plans with Time Truncated Mean Life Based on Gamma Distribution

 S.Uma and R. Vijayaraghavan……………………………………………….……60-80

7.        Spatial Analysis of Crime Hotspots using Scan Statistics

Mukesh Kumar, Vikas Singh* (*Corresponding Author) and Arun Kumar Sinha………81-90

8. Some Log-Type Classes of Estimators for Variance Estimation Using Auxiliary Information

Dushyant Tyagi and Shailja Pandey…………………….………………………………………….…….91-101

9.            Designing of Combined Shewhart-CUSUM Chart under Transformed Gamma-Poisson Model

Himani Shonik and Dushyant Tyagi………………………………………………………….………102-112