21 emperival methods (2)

# 21 emperival methods (2) - Homework 5 Due Nov 14(Friday...

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MFG5350 1 Homework 5 Due Nov 14 (Friday) before 5PM

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MFG5350 2 Make-up Exam Nov 17 (Monday) 7:30PM - 8:50PM No lecture
MFG5350 3 Final Presentation Final Report Dec 12 (Friday) before 5PM

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MFG5350 4 Final Exam Dec 8 (Monday) 7:00PM-9:45PM
MFG5350 5 Empirical Methods Part II: Analysis of Failure Data

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MFG5350 6 Parametric Approach Empirical Method To fit a theoretical distribution (exponential, Weibull, normal, and lognormal distributions) to failure data To derive directly from the failure data, the failure distribution, reliability function or hazard rate function Approaches to Fitting Reliability Distributions to Failure Data
MFG5350 7 Ung rouped versus grouped data Classifications of Failure Data Complete versus censored data Ungrouped c omplete data Grouped c omplete data Ungrouped censored data Grouped censored data

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MFG5350 8 Ungrouped Complete Data n i t R t F i i ) ( ˆ 1 ) ( ˆ n i n i n t R i 1 ) ( ˆ Given that t 1 , t 2 ,…, t n , where t i ≤ t i+1 , are n ordered failure times, the number of units surviving at time t i is n-i . Or
MFG5350 9 PDF & Hazard Rate

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MFG5350 10 Or Confidence interval:
MFG5350 11 Ungrouped Complete Data - Example Given the following 10 failure times in hours, estimate

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21 emperival methods (2) - Homework 5 Due Nov 14(Friday...

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