JSM 2011 Online Program

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Abstract Details

Activity Number: 608
Type: Topic Contributed
Date/Time: Thursday, August 4, 2011 : 8:30 AM to 10:20 AM
Sponsor: Section on Statistics in Defense and National Security
Abstract - #302662
Title: Analysis of Reliability Experiments with Random Blocks
Author(s): Jennifer Kensler*+ and Laura Freeman and Geoffrey Vining
Companies: Virginia Tech and Institute for Defense Analyses and Virginia Tech
Address: , , ,
Keywords: Reliability ; Weibull Distribution ; Random Blocks ; Regression with Life Data
Abstract:

Reliability experiments provide important information regarding the life of a product, including how various factors affect product life. Current analyses of reliability data usually assume a completely randomized design. However, raw materials used in experiments are often produced in batches. In some cases one batch may not be large enough to provide materials for the entire experiment and more than one batch must be used. In this case the experiment will not have a completely randomized design, but rather a blocked design. This paper provides a method for analyzing a reliability experiment with random blocks. An illustration of the method is provided using MINITAB.


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