# De Gruyter

# Economic Quality Control

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Web: http://www.degruyter.com/view/j/eqc

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**Current editor:**Elart von Collani

**Current editor:**George P. Yanev

**For corrections or technical questions regarding this series, please contact (Peter Golla)**

**Series handle:**repec:bpj:ecqcon

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### 2016, Volume 31, Issue 1

**1-10 Checking Default Correlation and Score Correlation in a Breakpoint Model for Rating Classification***by*Tillich Daniel**11-21 An ARL-Unbiased np-Chart***by*Morais Manuel Cabral**23-36 Design of Optimal Reliability Acceptance Sampling Plans for Exponential Distribution***by*Kumar Mahesh & P C Ramyamol**37-44 New Acceptance Sampling Plans Based on Percentiles for Exponentiated Fréchet Distribution***by*Rao Gadde Srinivasa & Rosaiah Kanaparthi & Babu Mothukuri Sridhar & Sivakumar Devireddy Charanaudaya**45-54 Bayesian Prediction Bounds for the Exponential-Type Distribution Based on Ordered Ranked Set Sampling***by*Kotb Mohammed S.**55-58 Solving a Functional Equation and Characterizing Distributions by Quantile Past Lifetime Functions***by*Shafaei Noughabi Mohammad

### 2015, Volume 30, Issue 2

**59-73 Likelihood Inference for the Lifetime Performance Index under Progressive Type-II Censoring***by*Laumen Benjamin & Cramer Erhard**75-87 On Inferring Income Inequality Measures Using L-moments***by*Sreelakshmi N. & Asha G. & Muraleedharan Nair K. R.**89-98 Negative Binomial Marshall–Olkin Rayleigh Distribution and Its Applications***by*Jose K. K. & Sivadas Remya**99-110 On Valid Signals in Joint Schemes for the Process Mean and Variance***by*Ralha Tânia & Morais Manuel Cabral & Oliveira M. Rosário**111-113 A Note on the Beta Distribution of Lot Percent Defective***by*Chimka Justin R.

### 2015, Volume 30, Issue 1

**1-8 Failure Rate Estimation in a Dynamic Environment***by*Gouno Evans & Guérineau Lise**9-20 Bayesian Analysis of the Brown–Proschan Model***by*Nguyen Dinh Tuan & Dijoux Yann & Fouladirad Mitra**39-47 Life in Bridgetown, Barbados, According to the Westbury Cemetery Records 1877–1976***by*Chami Peter & Inniss Tara & Sing Bernd**49-58 Numerical Methods of Karhunen–Loève Expansion for Spatial Data***by*Hu Juan & Zhang Hao

### 2014, Volume 29, Issue 2

**89-91 Proceedings of Flint International Statistics Conference Kettering University, June 24–28, 2014***by*Dimitrov Boyan & Gawarecki Leszek**93-98 Urban Planning for Change: Data and Projections in City of Flint Master Plans (1920, 1960 & 2013)***by*Walling Dayne**99-117 More Equal and Poorer, or Richer but More Unequal?***by*Greselin Francesca**119-128 How We Can Evaluate the Inequality in Flint***by*Porro Francesco**129-141 Comparing Data Envelopment Analysis and Human Decision Making Unit Rankings: A Survey Approach***by*Dimitrov Stanko**143-156 Discrete Pareto Distributions***by*Buddana Amrutha & Kozubowski Tomasz J.**157-166 Leverage Effect for Volatility with Generalized Laplace Error***by*Javed Farrukh & Podgórski Krzysztof

### 2014, Volume 29, Issue 1

**8 The Conditional Distribution of Waiting Time Given Queue Length***by*Patil Dipak D. & Naik-Nimbalkar Uttara V.**9 Acceptance Sampling Plans for Percentiles Assuming the Linear Failure Rate Distribution***by*Srinivasa Rao B. & Priya M. Ch. & Kantam R. R. L.**10 Bayesian Reliability Sampling Plans under the Conditions of Rayleigh-Inverse-Rayleigh Distribution***by*Kalaiselvi S. & Loganathan A. & Vijayaraghavan R.**11 A Note on a Generalization of the Exponentiated Pareto Distribution***by*Elbatal Ibrahim & Merovci Faton**13 Inferences of the Lifetime Performance Index with Lomax Distribution Based on Progressive Type-II Censored Data***by*Mahmoud Mohamed Abdul Wahab & El-Sagheer Rashad Mohamed & Soliman Ahmed Abo-Elmagd & Abd Ellah Ahmed Hamed**9 Posterior Control Chart for Process Average under Conjugate Prior Distribution***by*Bhat Sharada V. & Gokhale Kailas D.**13 Bhattacharrya and Kshirsagar Lower Bounds for the Natural Exponential Family (NEF)***by*Nayeban Samira & Rezaei Roknabadi Abdol-Hamid & Mohtashami Borzadaran Gholam-Reza**10 Acceptance Sampling Plan Based on Truncated Life Tests for Three Parameter Kappa Distribution***by*Al-Omari Amer Ibrahim

### 2013, Volume 28, Issue 2

**6 Assessment of Traditional Demerits and a New Ordinal Alternative***by*Chimka Justin R. & Wang Qilu**7 Comparison of Lower Bounds for the Variance of Unbiased Estimators for some Well-known Families of Distributions***by*Nayeban S. & Rezaei Roknabadi A. H. & Mohtashami Borzadaran G. R.**8 Order k Version of the Alternative Hyper-Poisson Distribution***by*Kumar C. Satheesh & Nair B. Unnikrishnan**9 Transmuted Generalized Inverted Exponential Distribution***by*Elbatal Ibrahim**11 Selection of Bayesian Single Sampling Plans by Attributes with Desired Discrimination***by*Vijayaraghavan Rajarathinam & Loganathan Appaia & Rajagopal Krishnamoorthy**12 Acceptance Sampling Plans Under Truncated Life Tests Assuming a Half Exponential Power Life Distribution***by*Gui Wenhao**15 Selection of modified quick switching systems for given acceptable and limiting quality levels with minimum risks using weighted poisson distribution***by*Subramani Kandasamy & Haridoss Venugopal**16 Multivariate Process Capability Index: A Review and Some Results***by*Das Nandini & Dwivedi Prem Saurav**8 X̅ Charts with Variable Control and Warning Limits***by*Mahadik Shashibhushan B.**12 Marshall–Olkin Morgenstern–Weibull distribution: generalisations and applications***by*Jose Kanichukattu Korakutty & Sebastian Rani

### 2013, Volume 28, Issue 1

**1-8 The Kumaraswamy Exponentiated Pareto Distribution***by*Elbatal I.**9-14 Sequential Test for Poisson Distribution under Measurement Error***by*Sankle R. & Singh J.R. & Mangal I.K.**15-21 Measurement Error Effect on the Power of Control Chart for the Ratio of Two Poisson Distributions***by*Chakraborty Ashit B. & Khurshid Anwer**23-30 The Bivariate Confluent Hypergeometric Series Distribution and Some of Its Properties***by*Kumar C. Satheesh**31-36 Availability of a k-out-of-N:F System with Generally Distributed Repair Time and Preventive Maintenance***by*Nikolov A. V.**37-44 Empirical Likelihood Based Control Charts***by*Variyath A. M.**45-55 Reliable Risk Analysis on the Example of Tsunami Heights***by*Müller Veit**57-69 An Application of EM Test for the Bayesian Change Point Problem***by*Variyath A. M. & Vasudevan C. V.

### 2013, Volume 27, Issue 2

**97-142 A Critical Review of Statistical Methods Used in Quality Control***by*Sans Wolfgang**143-176 Estimation of Crossing Points of Continuous Distribution Functions***by*Adam Kay & Ferger Dietmar**177-186 Transient Analysis of Multistage Degraded Systems with L Exponential Failure Modes and Partial Repair Times Modeled by Coxian-2 Distribution***by*Moustafa Magdi S.**187-194 Control Charts for Doubly Truncated Binomial Distributions***by*Chakraborty Ashit B. & Khurshid Anwer**195-208 A Class of Exponential-Type Estimators in Systematic Sampling***by*Singh Housila P. & Jatwa Narendra K.

### 2012, Volume 27, Issue 1

**1-17 A New Two-Parameter Lifetime Distribution with Increasing Failure Rate***by*Shahsanaei Fatemeh & Rezaei Sadegh & Pak Abbas**19-41 Measuring E-Service Quality: Reviewing E-S-QUAL***by*Yaya Luc Honore Petnji & Marimon Frederic & Fa Marti Casadesus**43-64 Statistical Tests Based on Reliability and Precision***by*Weigand Christoph**65-83 Trend-Incomplete-Renewal Process Models for Repairable Systems***by*Franz Jürgen & Pietzner Diana**85-96 Characterizations of Logistic Distribution Through Order Statistics with Independent Exponential Shifts***by*Ahsanullah Mohammad & Yanev George P. & Onica Constantin

### 2011, Volume 26, Issue 2

**91-98 A Nonparametric Control Chart for Location Based on Sub-Samples of Size Two***by*Pandit Parameshwar V. & Math C. M.**99-106 Availability of a System with Multiple Failure Modes and Imperfect Repairs***by*Nikolov Angel V.**107-119 Sampling Methods and Market Surveillance***by*Sans Wolfgang**121-131 Control Charts for Controlling Variability of Non-Normal Processes***by*Das Nandini**133-144 A Class of Weighted Gamma Distributions and its Properties***by*Mahdy Mervat Mahdy Ramadan**145-153 Sequential Test for Truncated Distribution under Measurement Error***by*Sayyed Mujahida & Singh J. R.**155-162 Exact Distribution of Argmax (Argmin)***by*Habibi Reza**163-171 A Hybrid Economic Group Acceptance Sampling Plan for Exponential Lifetime Distribution***by*Mughal Abdur Razzaque**173-187 Chain Sampling Inspection Plans Based on Bayesian Methodology***by*Vijayaraghavan R. & Sakthivel K. M.**189-200 Exponentiated Modified Weibull Distribution***by*Elbatal I.**201-213 Optimal Control of a Two-Item Inventory System with Different Types of Item Deterioration***by*Alshamrani Ahmad & El-Gohary Awad**215-234 Testing Exponentiality Against NBUL Alternatives Using Positive and Negative Fractional Moments***by*Anis M. Z.

### 2011, Volume 26, Issue 1

**3-14 Control Charts Based on the g-and-h Distribution***by*Nandini Das**15-22 Economic Reliability Group Acceptance Sampling Plans Based on the Inverse-Rayleigh and the Log-Logistic Distributions***by*Aslam Muhammad & Mughal Abdur Razzaque**23-39 Use of Auxiliary Information in Estimating the Finite Population Mean in Survey Sampling***by*Singh Housila P. & Bhayare Unnati**41-51 One-Sided Cumulative Sum (CUSUM) Control Charts for the Zero-Truncated Binomial Distribution***by*Chakraborty Ashit B. & Khurshid Anwer**53-62 Significance Test for the Half Logistic Distribution***by*Rao B. Srinivasa & Kantam R. R. L.**63-72 The Quality Loss Index QLI and Its Properties***by*Hanagal David D. & Samajdwar Jagadiswar**73-89 Statistical Quality Control Limits for the Sample Mean Chart Using Robust Extreme Ranked Set Sampling***by*Al-Omari Amer Ibrahim & Al-Nasser Amjad D.

### 2010, Volume 25, Issue 2

**153-167 Acceptance Sampling Plans from Truncated Life Tests Based on the Log-Logistic Distributions for Percentiles***by*Rao G. Srinivasa & Kantam R. R. L.**173-181 On the Robustness of Reliability Characteristic of Alpha-Distributed Lifetimes***by*Khan Maroof A. & Islam H. M.**183-188 Binomial Poisson Distribution Revisited***by*Kumar C. Satheesh**189-206 Empirical Evaluation of Stochastikon Magister***by*Zhai Xiaomin**207-220 Selection of Bayesian Double Sampling Inspection Plans by Attributes with Small Acceptance Numbers***by*Vijayaraghavan R. & Sakthivel K. M.**221-242 Analysis of a Complex System Modelled by a Marked Point Process and Assuming Vacations for a Repairman***by*Tiwari Nidhi & Singh Suraj Bhan**243-251 Optimal Replacement Policy Based on the Number of Down Times with Priority in Use***by*Hanagal David D. & Kanade Rupali A.**253-268 Median Inactivity Time Function and its Reliability Properties***by*Kandil Abd El-Fattah Mohamed & Mahdy Mervat Mahdy Ramadan & Kayid Mohamed**269-279 Statistical Inference on Software Reliability Assuming Exponential Fault Correction Time***by*Harishchandra Kodialbail & Manjunatha Kammasandra M.**281-299 On Testing Exponentiality Against DMRL Alternatives***by*Anis Mohammed Z.**301-316 Designing Single Sampling Plans by Variables Using Predictive Distribution***by*Loganathan A. & Vijayaraghavan R. & Rajagopal K.

### 2010, Volume 25, Issue 1

**3-12 Optimal Replacement Policy Based on the Number of Down Times***by*Hanagal David D. & Kanade Rupali A.**13-30 An L-Banded Approximation to the Inverse of Symmetric Toeplitz Matrices***by*Benassi Romain & Pievatolo Antonio & Göb Rainer**31-42 Selection of Mixed Sampling Plans for Second Quality Lots***by*Arul S. Deva & Joyce V. Jemmy**43-64 On New Perspectives for Statistical Computing in Business and Industry – A Solution with STATISTICA and R***by*Weiß Christian H.**65-79 Reliability Analysis of k-out-of-n : G Repairable Shared Load Systems with Multiple Failures and Preventive Maintenance***by*Vasanthi T. & Arulmozhi G.**81-96 Monitoring the Parameters of the Market Model by Linear Profile Procedures***by*Ho Linda Lee & El Said Mahmoud & Kim Ricardo Wonseuk**97-107 An Addendum to the Estimators of Murthy–Sarma and Anis–Pandey of the Mean of the Normal Distribution***by*Singh Housila P. & Sayyed Mujahida**109-125 A Bounded Intensity Process Reliability Growth Model in a Bayes-Decision Framework***by*Srivastava Preeti Wanti & Jain Nidhi**127-150 Optimal Structure in Heterogeneous Multi-state Series-parallel Reliability Systems***by*Sharma Vikas K. & Agarwal Manju & Sen Kanwar

### 2009, Volume 24, Issue 2

**157-177 Uncertainty and E-Learning***by*Zhai Xiaomin**179-193 Selection of Bayesian Single Sampling Attributes Plans Based on Polya Distribution***by*Rajagopal K. & Loganathan A. & Vijayaraghavan R.**195-205 Controlling Energy Utilisation at Reheat Furnace Using Time Series Model***by*Pradhan Biswabrata & Mukhopadhyay Ananya & Maity Bhagabat**207-212 A Replacement Policy Based on Down Time for a Cold Standby System with Dependent Lifetime and Repairtime***by*Rattihalli S. R. & Hanagal David D.**213-229 Inference on a Sharp Jump in Hazard Rate: A Review***by*Anis M. Z.**231-241 Multivariate EWMA Charts with Variable Sampling Intervals***by*Lee M. H.**243-253 Quartile Double Rankled Set Sampling for Estimating the Population Mean***by*Al-Omari Amer Ibrahim & Al-Saleh Mohammad Fraiwan**255-261 Control Charts for Mean under Shrinkage Technique***by*Singh J. R. & Sayyed Mujahida**263-267 A Note on Maximum Entropy in Queueing Problems***by*Borzadaran G. R. Mohtashami**269-286 Gini's Mean Difference Based Time-Varying EWMA Charts***by*Riaz Muhammad & Abbasi Saddam Akber**287-307 A Note on the XIX IMEKO World Congress Fundamental and Applied Metrology***by*von Collani Elart

### 2009, Volume 24, Issue 1

**5-33 Defining Precision for Reliable Measurement and Estimation Procedures***by*Weigand Christoph**35-42 Some Aspects of Discrete Hazard Rate Function in Telescopic Families***by*Roknabadi A. H. Rezaei & Borzadaran G. R. Mohtashami & Khorashadizadeh M.**43-54 Generalized Loss of Memory Property and a Multivariate Extension***by*Hanagal David D. & Mandrekar V.**55-73 Threshold Autoregressive Individuals Control Charts***by*Chimka Justin R. & Walker Lindsey**75-85 A Group Acceptance Sampling Plans for Lifetimes Following a Generalized Exponential Distribution***by*Rao G. Srinivasa**87-99 On The New Better Than Used Renewal Failure Rate at Specified Time***by*Mahmoud M. A. W. & Alim N. A. Abdul & Diab L. S.**101-116 A Novel Markov System Dynamics Framework for Reliability Analysis of Systems***by*Rao Meesala Srinivasa & Naikan V. N. Achuta**117-128 SS-CUSUM Chart***by*Thaga Keoagile**129-142 Economic Design of Moving Average Control Chart for Continued and Ceased Production Process***by*Patil S. H. & Rattihalli R. N.**143-151 Estimation of System Reliability under Bivariate Rayleigh Distribution***by*Pak Abbas & Khorshidian Kavoos & Khoolenjani Nayereh B.

### 2008, Volume 23, Issue 2

**155-169 Stochastic Measurement Procedures Based on Stationary Time Series***by*Dumitrescu Monica**171-180 Semi-Parametric Estimation of P X,Y (X > Y)***by*Jeevanand E. S. & Alice P. M. & Hitha N.**181-195 On The Performance of A New Test of Exponentiality Against IFR Alternatives Based on the L-statistic Approach***by*Anis M. Z. & Hoque Z.**197-206 Control Chart for Autocorrelated Processes with Heavy Tailed Distributions***by*Thaga Keoagile**207-217 Designing the Scale Counting Procedure for Large Numbers of Small Parts***by*Ho Linda Lee & Cymrot Raquel**219-226 MTBF for K-out-of-N: G Systems with M Failure Modes***by*Moustafa Magdi S.**227-242 Non-parametric Control Chart for Controlling Variability Based on Rank Test***by*Das Nandini**243-255 Bounds for Distorted Risk Measures***by*Goncalves Marcelo & Fabris Antonio & Kolev Nikolai**257-266 Parameter Estimation for the Bivariate Exponential Distribution by the EM Algorithm Based on Censored Samples***by*Hanagal David D. & Ahmadi K. A.**267-279 Explicit Expressions for Moments of Log Normal Order Statistics***by*Nadarajah Saralees**281-286 Partially Specified Prior***by*Govindaraju K. & Jones G.**287-299 The Need for a Standard for Making Predictions***by*von Collani Elart

### 2008, Volume 23, Issue 1

**5-13 One-sided and Two-sided Critical Values for Dixon's Outlier Test for Sample Sizes up to n = 30***by*Böhrer Armin**15-27 Exact Distributions of Products of Certain Random Variables***by*Nadarajah Saralees**29-38 Two Old Statistical Methods in a New Stochastic Outfit***by*Zhai Xiaomin**39-54 Optimal Maintenance/Replacement-Policy for Deteriorating Systems under Two-Phase Maintenance Strategy***by*Moustafa M. S. & Abdel Maksoud E. Y.**55-70 Bounds for Quantile-Based Risk Measures of Functions of Dependent Random Variables***by*Goncalves Marcelo & Kolev Nikolai & Fabris Antonio Elias**71-83 The Distribution of the Profile of Aluminium Coil***by*Pradhan Biswabrata**85-93 A Note on the Efficiency of Nonparametric Control Chart for Monitoring Process Variability***by*Das Nandini**95-107 Control Charts for Particles in the Semiconductor Manufacturing Process***by*Kawamura Hironobu & Nishina Ken & Higashide Masanobu**109-121 Statistical Sampling Strategies for Geometric Tolerance Inspection by CMM***by*Colosimo Bianca Maria & Moya Ester Gutierrez & Moroni Giovanni & Petrò Stefano**123-149 A Critical Note on the Guide to the Expression of Uncertainty in Measurement (GUM)***by*von Collani Elart

### 2007, Volume 22, Issue 2

**165-174 Estimation on a GAR(1) Process by the EM Algorithm***by*Popovici Georgiana & Dumitrescu Monica**175-186 Point and Interval Estimation for the Lifetime Distribution of a k-Unit Parallel System Based on Progressively Type-II Censored Data***by*Pradhan Biswabrata**187-190 A Note on the Distribution of Bousquet***by*Nadarajah Saralees**191-195 A Quality Index for Evaluating the Bank Capital Adequacy According to Basel I and II***by*Sapountzoglou Gerassimos**197-209 Reliability Test Plans for Series Systems in the Presence of Covariates***by*Sabnis S. V. & Agnihothram G.**211-221 Multivariate Information in Univariate Control Charts***by*Braun Lorenz**223-246 A Note on the Moments of Random Variables***by*Sen Surath & von Collani Elart**247-260 A Heuristic Approach for Constrained Redundancy Optimization in Multi-state Systems***by*Aggarwal Sudhanshu & Agarwal Manju & Gupta Rashika**261-272 Reliability Computation of Moranda's Geometric Software Reliability Model***by*Vasanthi T. & Arulmozhi G.**273-293 Economic Design of A Modified Variable Sample Size and Sampling Interval Chart***by*Mahadik Shashibhushan B. & Shirke Digambar T.**295-302 Gamma Frailty Regression Models in Mixture Distributions***by*Hanagal David D.**303-313 A Truncated Bivariate t Distribution***by*Nadarajah Saralees

### 2007, Volume 22, Issue 1

**3-18 Bivariate Density Classification by the Geometry of the Marginals***by*Fernández Mariela & Kolev Nikolai**19-39 Improving the Variability Function in Case of a Uni-Modal Probability Distribution***by*Schelz F. & Sans W. & v. Collani E.**41-54 New Results in Economic Statistical Quality Control***by*Dias J. Rodrigues**55-70 Reliability Analysis Based on Scalar Fuzzy Variables***by*Guo R. & Li X. & Zhao R. Q.**71-85 A Bayesian Approach to Parallel Stress-Strength Models***by*Durán Mónica & Peña Alexis & Salinas Víctor H.**87-105 Max-Chart for Autocorrelated Processes***by*Thaga K. & Kgosi P. M. & Gabaitiri L.**107-116 A Note on Classes of Lifetime Distributions***by*Elbatal I.**117-126 Sampling Risks for Chain Sampling Plans with Non-Constant Defective Probability***by*Ramaswamy A. R. Sudamani & Manju Priya A. R.**127-139 Effects of Measurement Error on Controlling Two Dependent Process Steps***by*Yang Su-Fen & Ho Han-Wei & Rahim M. A.**141-157 GERT Analysis of m-consecutive-k-out-of-n:F Systems with Dependence***by*Agarwal Manju & Mohan Pooja & Sen Kanwar

### 2006, Volume 21, Issue 2

**171-181 A Note on Run Length Variability Reduction for EWMA Charting***by*Govindaraju K. & Zhang Lingyun**183-197 A Note on Nature and Significance of Stochastic Models***by*Sans Wolfgang & Zhai Xiaomin & Sen Surath & Collani Elart v.**199-208 Estimation of Pareto Survival Function in the Presence of Outlying Observations***by*Jeevanand E. S. & Abdul-Sathar E. I.**209-217 Loss Reduction in Point Estimation Problems***by*Heike Hans-Dieter & Demetrescu Matei**219-230 Application of Arithmetic-Geometric Mean Inequality for Construction of Reliability Test Plan for Parallel Systems in the Presence of Covariates***by*Sabnis S. V. & Agnihothram G.**231-242 On Bayesian Estimation in a Parallel System***by*Valdés Gabriela A. & Salinas Víctor H.**243-250 Approximating Reliability of a System with Doubly Bounded Performance Functions***by*Javid Amir Ahmadi & Nadarajah Saralees**251-260 Probability Weighted Moments Approach to Quality Control Charts***by*Muhammad Faqir & Riaz Muhammad**261-270 Weibull Extension of Bivariate Exponential Regression Model with Gamma Frailty for Survival Data***by*Hanagal David D.**271-277 Nonlinear Tobit Decomposition***by*Zhang Yi & Wang Yi & Nadarajah Saralees**279-289 Reliability Test Plans for Exponentiated Log-Logistic Distribution***by*Rosaiah K. & Kantam R. R. L. & Kumar Santosh**291-299 Transient Analysis of a System with Queue Dependent Servers and Controllable Arrivals***by*Chandrika K. Udaya

### 2006, Volume 21, Issue 1

**5-11 Transient Analysis of Multistage Degraded Systems with Partial Repairs of General Distribution Modeled by Erlang-k Distribution***by*Moustafa Magdi S.**13-29 A Practical Procedure for Developing p-Charts***by*Wagner Bret J. & Golhar Damodar Y.**31-42 Posterior Distribution and Loss Functions for Parameter Estimation in Weibull Processes***by*Franz Jürgen**43-57 Combined CUSUM–Shewhart Schemes for Binomial Data***by*Morais Manuel Cabral & Pacheco António**59-75 A Goodness of Fit Approach to NBURFR and NBARFR Classes***by*Mahmoud M. A. W. & Alim N. A. Abdul**77-86 Control Charts for the Log-Logistic Distribution***by*Kantam R. R. L. & Rao A. Vasudeva & Rao G. Srinivasa**87-111 Stability Index of Stochastic Processes: The Statistical Process Control Approach***by*Glushkovsky Alex**113-125 Multivariate Max-Chart***by*Thaga Keoagile & Gabaitiri Lesego**127-141 An Optimization Methodology for Condition Based Minimal and Major Preventive Maintenance***by*Rao P. Naga Srinivasa & Naikan V. N. Achutha**143-153 Multivariate Diagnostic Tests: A Review of Different Methods***by*Das Nandini**155-164 A Note on the Concept of Independence***by*von Collani Elart

### 2005, Volume 20, Issue 2

**155-169 2005 - The Jakob Bernoulli Year 350th Anniversary of Jakob's Birth and 300th Anniversary of Jakob's Death***by*von Collani Elart**171-176 Six Sigma the “Breakthrough Management Strategy”?***by*Denk Wolfgang**177-189 Determining the Parameters of a Multinomial Distribution: The Fiducial Approach***by*Heike Hans-Dieter & Târcolea Constantin & Demetrescu Matei & Tarcolea Adina-Ioana**191-204 Some Group Inspection Based Multi-Attribute Control Charts to Identify Process Deterioration***by*Gadre M. P. & Rattihalli R. N.**205-222 On Cumulative Conforming Type of Control Charts for High Quality Processes Under Sampling Inspection***by*Zhang C. W. & Xie M. & Goh T. N.**223-229 Monitoring Process Mean and Process Variance Using Collani's Statistic***by*Turnes Osiris & Lee Ho Linda**241-246 Ratio of Logistic and Bessel Random Variables***by*Nadarajah Saralees & Kotz Samuel**247-253 Weibull Extension of a Bivariate Exponential Regression Model***by*Hanagal David**255-270 Weighted Least Squares Estimators for a Change-Point***by*Ferger Dietmar**271-275 A Note on the Appropriateness of Taguchi's Loss Function***by*Chen Chung-Ho**277-286 Acceptance Sampling Based on the Inverse Rayleigh Distribution***by*Rosaiah K. & Kantam R. R. L.**287-290 An Alternative Simple Proof of a Result Useful in Reliability Shock Models***by*Anis M. Z. & Mitra Murari**291-303 Draft International Standard ISO/DIS 2210: Milk and Milk Products***by*von Collani Elart

### 2005, Volume 20, Issue 1

**5-20 Statistical Performance of Control Charts***by*Govindaraju K.**21-30 A Note on Optimum Chain Sampling (ChSP-1)***by*Raju C. & Raghottam H. Akamanchi