Template:Example: Weibull Distribution Interval Data Example: Difference between revisions

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==Weibull Distribution Example 12==
#REDIRECT [[Weibull Distribution Examples]]
 
Suppose that we have run an experiment with eight units being tested and the following is a table of their last inspection times and times-to-failure:
 
Table 6.5 - The test data for Example 16
 
Data point index
Last Inspection
Time-to-failure
1
30
32
2
32
35
3
35
37
4
37
40
5
42
42
6
45
45
7
50
50
8
55
55
Analyze the data using several different parameter estimation techniques and compare the results.
 
===Solution to Weibull Distribution Example 12===
 
This data set can be entered into Weibull++ by opening a new Data Folio and choosing Times-to-failure and My data set contains interval and/or left censored data.
 
 
The data is entered as follows,
 
 
The computed parameters using maximum likelihood are:
 
 
using RRX or rank regression on X:
 
 
and using RRY or rank regression on Y:
 
 
The plot of the MLE solution with the two-sided 90% confidence bounds is:

Latest revision as of 02:15, 14 August 2012

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