Statistics – Page 272 – William M. Briggs

The Two-Envelope Problem Solution: Part I

Another probability "paradox", the two-envelope problem1, goes like this: Before you are two envelopes, A and B. One of them contains $X and the other $2X (which is equivalent to…

Statistics

St Petersburg Paradox; Games and Statistical Decisions; RIP David Blackwell

David Blackwell, who died two weeks ago, was one of the first mainstream statisticians to "go Bayesian." And for that and his unique skill in clearly explaining difficult ideas, we…

Statistics

How to Fool Yourself—And Others—With Statistics

See the news box to the left. I wrote this long ago and never used it. I do not love it. But since I am so busy, I haven't the…

Statistics

US Military Fatality Statistics: Have Suicides Increased?

All statistics were gathered from this DOD site. 2010 numbers were current as of 5 June this year; they were not part of the plots below. In 1983, the year…

Fun Statistics

World Cup Predictions Verified

All that was missing was the water for the players to plunge into. Still, referee Howard Webb must be a fan of the aquatic and artistic sport of diving, and…

Fun Statistics

The Predictive Skills of Octopii: Paul’s World Cup Prognostications

In Detroit, for that glorious game of soccer-on-ice-with-sticks, we---I still say "we"; you can never separate yourself from your birthplace---know what to do with octopuses, octopii as were: We toss…

Philosophy Statistics

Symmetry, Priors, Logical Probability, Infinities, and Needless Paradoxes

One reason why some reject the notions of logical probability and Bayesian statistics is because it is said that assignments of probability under symmetry generate paradoxes. However, as I will…

Statistics

Lady Wins Fourth Lottery: What Are the Odds?

I'm in the wild blue yonder today; so here is a distraction. Thanks to reader Jade for suggesting the topic. Nobody can scratch better than Las Vegas resident Joan Ginther,…

Paul Fischer on Class 49: Relevance & Importance Of Evidence In ModelsMay 9, 2025
Always thought-provoking, William. The comments section’s a bit hostile today. To really grasp what Matt is driving at, you have…
Briggs on Class 49: Relevance & Importance Of Evidence In ModelsMay 9, 2025
JH, My IQ is simplicity itself to estimate. I have no IQ. Pick up any stats books and look under…
JH on Class 49: Relevance & Importance Of Evidence In ModelsMay 9, 2025
Is there evidence that people believe probabilities, parameters, or mathematical objects exist physically in nature? The fact that mathematicians use…
JH on Class 49: Relevance & Importance Of Evidence In ModelsMay 9, 2025
Relevance is made more difficult when Y is allowed to vary, but the underlying idea is the same. Probability offers…
Tim on Class 49: Relevance & Importance Of Evidence In ModelsMay 8, 2025
What are you playing at, Briggs? Some high-falutin' model equation junk that'll get twisted by politicians in the end anyway?…