... be implemented for significant factors. Social implications Rules and regulations can be made more stringent on the factors. Originality/value The originality of this paper lies in the integration of wavelets with regression analysis for air pollution data. Statistics Outlier Principal component...

... 09 06 2017 © Emerald Publishing Limited 2018 Emerald Publishing Limited Licensed re-use rights only Reliability Statistics Maintainability Availability Field failure data Wine packaging Industrial production is constantly evolving with drastic changes in operations...

... are constructed without specially going to any subgroup statistic. The control chart constants depend on the probability model of the extreme order statistic of each subgroup and the size of the subgroup. Accordingly the proposed chart is normal as extreme value chart. As a by‐product the technique of analysis...

... The life‐test plan is obtained using censoring of experiments and the properties of order statistics. In this article, the author has derived expressions for order statistics and their moments for some commonly used hazard‐rate functions; for example, constant, linearly increasing, exponentially increasing...

...Chu‐Hua Kuei Anand M.   Joglekar . Statistical Methods for Six Sigma in R&D and Manufacturing . Chichester : John Wiley & Sons   2003 . 318 pp. , ISBN: 0‐471‐20342‐4 © Emerald Group Publishing Limited 2004 --> Quality Six sigma Statistics Control...

... whether or not two processes are equally capable. Naturally, decisions made using the procedure to select the better supplier are more reliable than decisions made using other methods. Process efficiency Statistics Process analysis Process control Process capability indices (PCIs), which aim...

... is to customize the techniques of quality function deployment (QFD) for designing courses and demonstrate its use in the design of a basic statistics course in the Department of Systems Engineering, King Fahd University of Petroleum and Minerals. In this study, organizations from industry are used as external...

...Howard S. Gitlow Many students entering “Introduction to statistics” feel that statistics is a difficult subject that will have limited benefit to their lives. In this paper, a different vantage point for viewing the statistical process control section of a basic statistics course is presented...

..., C_pm and C_pmk cannot express the actual process capability. This paper presents a procedure to construct lower confidence limits for PCIs when the process distribution is unknown. First, the order statistics are utilized to find the estimators of C_p, C_pk, C_pm...

...Su‐Fen Yang An economic statistical design approach takes statistical properties into account while designing control charts economically. It improves both statistical design and economic design. In this paper, we present a statistically constrained economic model for the optimal design of S...

...E.W.T. Ngai; T.C.E. Cheng Most quality management researchers make inadequate use of statistical techniques, especially multivariate statistical methods. Applies two multivariate analysis techniques, principal component analysis (PCA) and correspondence analysis (CA), to analyse potential barriers...

...M. Meniconi; D.M. Barry; D.C. Betts The degradation of both the functional and electrical parameter performance of integrated circuits has been under investigation for a number of years. Aims to demonstrate that statistical methods may be used to determine physical changes in these devices, rather...

... their calculations. The main conclusion suggests that the available alternative calculation approaches for the linear rank order tests are not always equivalent and therefore may not lead to the same test statistic. For identical results three certain assumptions ought to be valid. Highlights these in the form...

... Limited 1995 Averaging Control charts Process control Statistics Shewhart’s • and s (or R) control charts[ 1 ] have been used very widely in industries to detect two types of process shifts: the shift of mean value μ and the shift of standard deviation σ. The ultimate aim...

...Kevin J. Leonard Presents a set of quality measures which can be used to evaluate the effectiveness of credit scoring models. These measures comprised standard performance statistics in order to ensure widespread applicability. Calculates quality measures for actual scoring models in place...

... Manufacturing Probability Quality Statistics USA Zero defects Zero defects is an approach which stresses the fact that all errors are preventable. The concept identified mainly with Philip Crosby, is more than three decades old. Many Japanese companies effectively implemented the concept during...

... on the effectiveness of the trend rules in detecting out‐of‐control conditions under these circumstances. © MCB UP Limited 1995 Control charts Management Methodology Quantitative techniques Quality Statistics Control charts are used as a tool to monitor the quality characteristics...

... UP Limited 1995 High technology Laboratories Management Measurement Quality control Reliability Standards Statistics Pressures of increased global competition on the manufacturers of goods and providers of services has resulted in a noticeable shift towards greater emphasis...

... in which the EWMA is equivalent to the Shewhart chart. The distribution of the EWMA statistic, at the occurrence of an alarm signal, is approximated by applying a Markov chain approach. This distribution is used to obtain a maximum likelihood estimator of the process mean. Adjustment strategies are defined...

... to the improvement of the effectiveness of the control charts and to the reduction of the cost of SPC (statistical process control). Presents an approach to estimate δ and f of the shift modes, using the sample data from the SPC and adopts a clustering method to classify different shift modes. Finally, describes...