Leonard G. Johnson, Editor                                    Wang H. Yee, Director

 STATISTICAL BULLETIN

Volume XXV

Bulletin 1

Realistic Minimum Reliability Implied by Success Runs of Various Sizes

Bulletin 2

Shocking Truth about the Wastefulness of Classical Types of Success Run Testing

Bulletin 3

Using the Z-Score Statistical Approach in order to estimate the Worst Case of Possible Deviant Behavior on the Low Side of a Predicted Bq Life from a Life Test Data Set fitted by a Two-Parameter Weibull Plot

Bulletin 4

Computer Weibull Graphics with Semi-Parametric Confidence Bounds for Any Life Test Data with or without Suspended Items included with Failures

Bulletin 5

Required Sample Sizes in Test with Two Defectives for Specified Values of Reliability, Confidence, and the Assumed Level of Minimum Reliability

Bulletin 6

A Computer Program for Determining Sample Sizes in bogey Life Testing Programs for Zero Defectives or One Defectives or Two Defectives with Properly Assumed Values of Guaranteed Minimum Reliability

Volume 7

How Entropy and Weibull Analysis are Interrelated

Volume 8

The Mathematical Theory of S-N Diagrams Based on the Entropy (Damage) Produced by Stress Levels Above Endurance Limit

Volume XXVI

Bulletin 1

Five Critical Questions in Accelerating Testing

Bulletin 2

A Computer Program for Evaluating Improvement Ratios or a Design's Life When Compared to a Baseline Target Life by Using Standard Procedures of Confidence Interpolation

Bulletin 3

The Application of Equivalence Theory in Accelerating Testing Programs

Bulletin 4

Judging the Compliance of a Design to a Service Life Goal from Life Test Data Obtained in a Accelerated Life Test at Stress Level Greater Than the Stress which the Same Design Would Experience in Service

Bulletin 5

Designing Adequate Life Tests in Restricted Lead Times (A Discussion Between a Businessman and a Test Engineer Concerning the Most Critical Problem in Product Design)

Bulletin 6

A Test Engineer is shown the Tricks of Accelerating Testing

Bulletin 7

Using Weibull Paper to Graphically Represent Guaranteed Maximum Failure Rates for Any Desired Level of Odds

Bulletin 8

Five Basic Semi-Parametric Statistical Formulas Used in Life Testing and Reliability

Volume XXVII

Bulletin 1

Compliance Testing (One Dozen Pertinent Questions)

Bulletin 2

The Usefulness of Weibull Analysis in Monte-Carlo Simulations for Predicting Future Random Values for a Variable Under Study

Bulletin 3

Using the Three-Parameter Ultimate Value Distribution in the Statistical Representation of Variable with Known Finite Lower and Upper Limits

Bulletin 4

Using the 3-Parameter Ultimate Value Distribution Function to realistically Select Random Numbers from Finite Range with Specified Lower and Upper Limits in Situations Where Uniform Probabilities in a Regular Distribution are Incorrect

Bulletin 5

Improving Reliability Testing by Eliminating False and Unrealistic Assumptions and Adopting More Reasonable Outlooks Which Can Reduce Both Testing Times and Costs

Bulletin 6

The Mathematical Theory of Weibull Plots Which Show a Finite Maximum Life

Bulletin 7

Designing Accelerated Life Tests Without Any Overload by Using Samples Which Take Less Time and Still Comply with Whatever Reliability and Confidence Levels might be dictated by Gains and Losses

Bulletin 8

The Use of Maximum Life Entropy (MAXLENT) Probability Paper to Make Straight Line Plots Out of Life Distributions with Maximum Life

Volume XXVIII

Bulletin 1

How to Use the Log-Log Graph Paper to Make Linear Entropy Plots of Life Test Data with a Finite Maximum Life

Bulletin 2

How to Combine Independent Component Reliabilities as well as Combining the Confidence Levels of the Component Reliabilities into a Resultant Confidence for the System Reliability

Bulletin 3

A Theoretical Check on the Resultant Odds Concept for the System Reliability Resulting from the Multiplication of Two Independent Component Reliabilities in Series when the Confidence Level for Each of Them is Given

Bulletin 4

A Computer Program for Determining the Order Statistic Number Corresponding to the Product of Two Values taken from Two Samples, one from Each Sample, in a Total Sample Whose Sample is Equal to the Product of the Two Individual Sample Sizes from which Two Multiplied Values came

Bulletin 5

How to use Accelerated Testing with Small Test Samples in Deciding Whether or Not a Reliability Goal can be Realized with a Sufficient Confidence of Profitability

Bulletin 6

Predicting the Remaining Life Reliability of an Item which has Survived to a Specific Age

Bulletin 7

The Mathematical Concepts Involved in Basic Durability Compliance Technology (BDCT)

Bulletin 8

A Computer Program for Basic Durability Compliance Technology ("BDCT")