Work place: Department of Statistics & Operations Research, Aligarh Muslim University, Aligarh, India
E-mail: sana.shahb@gmail.com
Website:
Research Interests: Statistics
Biography
Sana Shahab is a Ph.D. candidate in department of Statistics & Operations Research at Aligarh Muslim University, Aligarh (U.P.), India . She has received her M.Sc. degree in statistics from A.M.U. in 2010 and B.Sc. degree from the same in 2008. Her area of research is Accelerated Life Test Design. She has published 3 research papers in journals of statistics and has attended many international conferences and workshop related to her research area.
DOI: https://doi.org/10.5815/ijitcs.2014.12.10, Pub. Date: 8 Nov. 2014
The article provides an approach of getting optimal time through graph for Simple step stress accelerated test of inverse weibull distribution. In this we estimate parameters using log linear relationship by maximum likelihood method. Along with this, asymptotic variance and covariance matrix of the estimators are given. Comparison between expected and observed Fisher Information matrix is also shown. Furthermore, confidence interval coverage of the estimators is also presented for checking the precession of estimator. This approach is illustrated with an example using software.
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