A STATISTICAL APPROACH TO SIMULTANEOUS TESTS FOR BOTH SHORT TERM & LONG TERM MATERIAL LOSSESU)

Year
1979
Author(s)
R.J. Brouns - Pacific Northwest National Laboratory
J.A. Merrill - Pacific Northwest National Laboratory
Abstract
The current method of testing the inventory difference (ID) for each material balance period is not a very powerful procedure for detecting a continuing loss when the amount lost during each period is quite small. There is a need for action limit criteria using information such as cumulative inventory differences (CID) to enhance the probability of detection for such situations. This paper will present a method for making a single multivariate test using both ID and CID which will permit the calculation of power curves for the test.