GOODNESS-OF-FIT TESTS: GROUP DATA   Confidence Level 95.0% Select Distribution
 
3 RAY OK
Time-to-Failure Data for Bearings         Significance Level 5.0%   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.
GROUP DATA
  Average 28.965385
  Sample Standard Deviation 15.255264
      Optimal Number of Groups [Sturges' Rule] 4.7004397
  Groups 13
  Total Number of Observations 13
RESIDUAL LIFETIME
  Residual Lifetime Percentile 50.0%
  Median Residual Lifetime 23.15
  Standard Error of Median Residual Lifetime 5.9491596
GOOGNESS OF FIT
  Probability Distribution Function RAY P
  Scale Parameter η 24.67551
  Number of Parameters Estimated m [m ≤ n] 1
  Total Number of Parameters n 1
  Chi-Square Σ(Oi-Ei)2/Ei 0.2445389
  Degrees of Freedom df 11
  Test χ2 19.675138
  Accept / Reject ACCEPT
  Chi-Square Rank 1
   
   
   
       
The marker P identifies the probability distribution's parameters.
Chi-Square Goodness-of-Fit Tests
Legend
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