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Physical Sciences and Mathematics Commons

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Full-Text Articles in Physical Sciences and Mathematics

Student Fact Book, Fall 1996, Wright State University, Office Of Student Information Systems, Wright State University Oct 1996

Student Fact Book, Fall 1996, Wright State University, Office Of Student Information Systems, Wright State University

Wright State University Student Fact Books

The student fact book has general demographic information on all students enrolled at Wright State University for Fall Quarter, 1996.


The Importance Of Analyzing Longitudinal Data In A Formative Evaluation Process: Applying Statistical Quality Control Techniques, John Fraas, Isadore Newman Jan 1996

The Importance Of Analyzing Longitudinal Data In A Formative Evaluation Process: Applying Statistical Quality Control Techniques, John Fraas, Isadore Newman

John W. Fraas

No abstract provided.


Detecting Trends And Patterns In Reliability Data Over Time Using Exponentially Weighted Moving-Averages, Harry F. Martz, Paul H. Kvam Jan 1996

Detecting Trends And Patterns In Reliability Data Over Time Using Exponentially Weighted Moving-Averages, Harry F. Martz, Paul H. Kvam

Department of Math & Statistics Faculty Publications

A simple, easy-to-use graphical method is presented for use in determining if there is any statistically significant trend or pattern over time in an underlying Poisson event rate of occurrence or binomial failure on demand probability. The method is based on the combined use of both an exponentially weighted moving-average (EWMA) and a Shewhart chart. Two nuclear power plant examples are introduced and used to illustrate the method. The false alarm probability and power when using the combined procedure are also determined for both cases using Monte Carlo simulation. The results indicate that the combined procedure is quite effective in …