The observed times between failures of a machine are given in the table below: Failure Date...
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The observed times between failures of a machine are given in the table below: Failure Date Cumulative Time in Days 2/05/2003 8/05/2003 16/05/2003 27/05/2003 4/06/2003 14/06/2003 20/06/2003 30/06/2003 10/07/2003 14/07/2003 18/07/2003 8/08/2003 4 10 18 29 37 47 53 63 73 77 81 102 Failure Failure Date Number 1 2 3 4 5 6 7 8 9 10 11 12 16/08/2003 25/08/2003 30/08/2003 2/09/2003 14/09/2003 28/09/2003 11/10/2003 25/10/2003 5/11/2003 20/11/2003 4/12/2003 20/12/2003 Cumulative Time in Days 1) Instantaneous failure intensity function 2) Instantaneous MTBF 110 119 124 127 139 153 166 180 191 206 220 236 Failure Number 13 14 15 16 17 18 19 20 21 22 23 24 Using both (a) numerical estimation and (b) maximum likelihood estimation, calculate the parameters for the CROW-AMSAA reliability growth model for the failure terminated test. Also, calculate the following: The observed times between failures of a machine are given in the table below: Failure Date Cumulative Time in Days 2/05/2003 8/05/2003 16/05/2003 27/05/2003 4/06/2003 14/06/2003 20/06/2003 30/06/2003 10/07/2003 14/07/2003 18/07/2003 8/08/2003 4 10 18 29 37 47 53 63 73 77 81 102 Failure Failure Date Number 1 2 3 4 5 6 7 8 9 10 11 12 16/08/2003 25/08/2003 30/08/2003 2/09/2003 14/09/2003 28/09/2003 11/10/2003 25/10/2003 5/11/2003 20/11/2003 4/12/2003 20/12/2003 Cumulative Time in Days 1) Instantaneous failure intensity function 2) Instantaneous MTBF 110 119 124 127 139 153 166 180 191 206 220 236 Failure Number 13 14 15 16 17 18 19 20 21 22 23 24 Using both (a) numerical estimation and (b) maximum likelihood estimation, calculate the parameters for the CROW-AMSAA reliability growth model for the failure terminated test. Also, calculate the following:
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Related Book For
Auditing and Assurance services an integrated approach
ISBN: 978-0132575959
14th Edition
Authors: Alvin a. arens, Randal j. elder, Mark s. Beasley
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