New format available! This reference is now available in a new format that offers faster page load, improved display for calculations and images and more targeted search.
As of January 2024, this Reliawiki page will not continue to be updated. Please update all links and bookmarks to the latest references at Weibull examples and Weibull reference examples.
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.