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Statistics Roundtable: Unraveling Bayes’ Theorem

by Anderson-Cook, Christine M.

Many of us have a love-hate relationship with conditional probabilities. Yet they are a function of our daily lives. We update our knowledge with new information, and what we believe evolves as new information gets integrated into our thought processes....


Open Access

Probing Probabilities

by Hooper, William

Let's do a little experiment from an article published in the New England Journal of Medicine in 1978. Suppose you are tested for a rare disease that occurs in the population at about 1%. The test is 95% accurate....


New Frontiers

by Kenett, Ron; Salini, Silvia

Self-declared or interview-based surveys are a prime research tool in many application areas, such as risk management, customer satisfaction tracking and social science research....


Quality Glossary

by Nelsen, Dave

Five years after it published its first glossary of quality terms, ASQ has revised that glossary with updated definitions and new entries, many from the lean glossary published in 2005. This reference of terms, acronyms, and prominent figures in the...


Statistical Gymnastics Revisited

by ASQ

A debate on one approach to short-run control charts

Summarizing the results by the medians and the first and third quartiles, I found: 10 Subsamples true median Q1 Q3 x0 0.0027 0.0067 0.0028 0.0157 x1 0.2225 0.2289 0.1119 0.3962 x2 0.9295 0.9324 0.8460 0.9757 v0 0.0027 0.0029 0.0023 0.0054 v1 0.1177 0.122...



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