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GOODNESS-OF-FIT TESTS: GROUP DATA |
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Confidence Level |
95.0% |
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Select Distribution |
|
3 |
MIX3 |
OK |
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Units with Multiple Failure Modes |
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Significance Level |
5.0% |
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Time-to-Failure
Data for Units with Multiple Failure Modes from Dimitri Kececioglu,
Reliability Engineering Handbook, Vol. 1 (Englewood Cliffs, NJ: Prentice
Hall, Inc.), pp. 536-556. |
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GROUP DATA |
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Average |
3333.3333 |
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Sample Standard Deviation |
2793.1296 |
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Optimal Number of Groups [Sturges' Rule] |
7.4918531 |
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Groups |
17 |
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Total Number of Observations |
90 |
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RESIDUAL LIFETIME |
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Residual Lifetime Percentile |
50.0% |
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Median Residual Lifetime |
2836.3636 |
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Standard Error of Median Residual Lifetime |
258.73181 |
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GOOGNESS OF FIT |
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Probability Distribution Function |
MIX3 |
P |
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Weight w1 |
0.3402704 |
P |
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Weight w2 |
0.1374869 |
P |
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Weight w3 |
0.5222427 |
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Number of Parameters Estimated m [m ≤ n] |
2 |
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Total Number of Parameters n |
3 |
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Chi-Square Σ(Oi-Ei)2/Ei |
9.8215662 |
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Degrees of Freedom df |
8 |
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Test χ2 |
15.507313 |
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Accept / Reject |
ACCEPT |
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Chi-Square Rank |
1 |
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The marker P identifies the probability
distribution's parameters. |
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Chi-Square Goodness-of-Fit Tests |
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MIX |
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w1 |
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w2 |
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w3 |
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