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GOODNESS-OF-FIT TESTS: GROUP DATA |
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Confidence Level |
95.0% |
|
Select Distribution |
|
3 |
RAY |
OK |
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Time-to-Failure Data for Bearings |
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Significance Level |
5.0% |
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|
Time-to-Failure
Data for Bearings from Charles Lipson and Narendra J. Sheth, Statistical
Design and Analysis of Engineering Experiments (New York, NY: MacGraw-Hill,
Inc.), 1973), pp. 403-406. |
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GROUP DATA |
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Average |
28.965385 |
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Sample Standard Deviation |
15.255264 |
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|
Optimal Number of Groups [Sturges' Rule] |
4.7004397 |
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Groups |
13 |
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Total Number of Observations |
13 |
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RESIDUAL LIFETIME |
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Residual Lifetime Percentile |
50.0% |
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Median Residual Lifetime |
23.15 |
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Standard Error of Median Residual Lifetime |
5.9491596 |
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GOOGNESS OF FIT |
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Probability Distribution Function |
RAY |
P |
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Scale Parameter η |
24.67551 |
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Number of Parameters Estimated m [m ≤ n] |
1 |
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Total Number of Parameters n |
1 |
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|
Chi-Square Σ(Oi-Ei)2/Ei |
0.2445389 |
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Degrees of Freedom df |
11 |
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Test χ2 |
19.675138 |
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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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