Median Rank for Single Censored Data: Difference between revisions

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This example compares the median rank calculations for complete data.
This example validates the median rank calculations for complete data in Weibull++ standard folios.




{{Reference_Example_Heading1}}
{{Reference_Example_Heading1}}
Table 6.2 on page 283 in the book “''Reliability Engineering Handbook Vol 1''” by Dr. Kececioglu, Prentice-Hall, 1991.
Table 6.2 on page 283 in the book ''Reliability Engineering Handbook Vol 1'' by Dr. Kececioglu, Prentice-Hall, 1991.




{{Reference_Example_Heading2}}
{{Reference_Example_Heading2}}
{| border="1" align="center" style="border-collapse: collapse;" cellpadding="5" cellspacing="5"
{| {{Table}}
|-
|- align="center"
!Num. In Stage
!Num. In Stage
!State F or S
!State F or S
!Time to Failure
!Time to Failure
|- align="center"
|-
|-
|1 ||F |||16
|1 ||F |||16
|- align="center"
|-  
|1 ||F |||34
|1 ||F |||34
|- align="center"
|-  
|1 ||F |||53
|1 ||F |||53
|- align="center"
|-  
|1 ||F |||75
|1 ||F |||75
|- align="center"
|-  
|1 ||F |||93
|1 ||F |||93
|- align="center"
|-  
|1 ||F |||120
|1 ||F |||120
|- align="center"
|-  
|4 ||S |||200
|4 ||S |||200
|}  
|}  
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{{Reference_Example_Heading3}}
{{Reference_Example_Heading3}}
{| border="1" align="center" style="border-collapse: collapse;" cellpadding="5" cellspacing="5"
{| {{Table}}
|-
|- align="center"
!Num. In Stage
!Num. In Stage
!State F or S
!State F or S
!Time to Failure
!Time to Failure
!Median Rank (%)
!Median Rank (%)
|- align="center"
|-  
|1 ||F |||16 |||6.7
|1 ||F |||16 |||6.7
|- align="center"
|-  
|1 ||F |||34 |||16.23
|1 ||F |||34 |||16.23
|- align="center"
|-  
|1 ||F |||53 |||25.86
|1 ||F |||53 |||25.86
|- align="center"
|-  
|1 ||F |||75 |||35.51
|1 ||F |||75 |||35.51
|- align="center"
|-  
|1 ||F |||93 |||45.17
|1 ||F |||93 |||45.17
|- align="center"
|-  
|1 ||F |||120 |||54.83
|1 ||F |||120 |||54.83
|- align="center"
|-  
|4 ||S |||200
|4 ||S |||200 |||
|}  
|}  


Latest revision as of 16:20, 28 September 2015

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Median Rank for Single Censored Data


This example validates the median rank calculations for complete data in Weibull++ standard folios.


Reference Case

Table 6.2 on page 283 in the book Reliability Engineering Handbook Vol 1 by Dr. Kececioglu, Prentice-Hall, 1991.


Data

Num. In Stage State F or S Time to Failure
1 F 16
1 F 34
1 F 53
1 F 75
1 F 93
1 F 120
4 S 200


Result

Num. In Stage State F or S Time to Failure Median Rank (%)
1 F 16 6.7
1 F 34 16.23
1 F 53 25.86
1 F 75 35.51
1 F 93 45.17
1 F 120 54.83
4 S 200


Results in Weibull++

The coordinates of each point in the following plot shows the failure time and the corresponding median rank.

Median Ranks.png
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