William M. Briggs

A Case Of Bad Statistics In An IQ-Intelligence Study

We're going to soon talk more about "IQ" and "intelligence". I'm working on a more in-depth article on the subject to carefully explicate the vast over-certainties I see on "both…

Fun

How’d We Do On Our 2018 Predictions?

How'd we do? Let me put it this way: the Magic 8 Ball is in no danger of losing its position as top soothsayer. We were game, but overall there…

Fun

Register Your Predictions For 2019!

As has been our tradition these many years, it's time to register our predictions for the coming year. We look at how well we did last year tomorrow. Rules: Number…

Statistics

The Probability Of Your Existence

A version of this column originally ran 7 July 2014. To the nearest order of magnitude, there have existed, including us, about 100 billion human beings. This proves what was…

Statistics

The Monty Hall Problem — Solved!

In honor of Monty Hall, who passed away this past weekend (in October 2017), this classic article (which ran long ago, the date lost due to the hacking, solving his…

Statistics

How Many Geniuses Are There?

This post originally appeared 15 September 2008. Here is a question I often give on exams: What is the probability that the next child to be born will be a…

Fun Statistics

The Probability of Monkeys Typing Shakespeare

This article, which originally appeared 20 May 2010, was inspired by reading Fredwin On Evolution, as wisely suggested by reader Bob Ludwick. At the bottom of Fred's piece, there appears…

Philosophy Statistics

Dutch Book: Or, How to Gamble

This post first appeared sometime before 2012, but I lost the original date due to the hacking. If you are a gambler, you'll be delighted to learn that there is…

John M on Climate Change Increases Risk of Even Slower World Cup Games!June 11, 2026
The picture on the video link shows how boring the game is. There are so many people yawning and a…
_Jim on How Experts Use “Calamities” to Find Official Victims & Gain PowerJune 11, 2026
re: "How Experts Use “Calamities” to Find Official Victims & Gain Power" Having skimmed the above post, I realize my…
_Jim on How High an IQ Must A Person Have To Be Executed?June 11, 2026
re: "The only question is capacity to recognize guilt. If the perpetrator was allowed to vote in national elections, the…
_Jim on The Ultimate IQ Test: Guessing the Author’s Mind and Escaping the Infinity of AnswersJune 10, 2026
One gains a better understanding of the underpinnings of the grist (the extensions to the 'maths') behind QM (Quantum Mechanics)…
_Jim on Reader Poll: Shorter or Longer, Frequent or Rarer Posts?June 10, 2026
I echo Jean Lesperance's response ... overbooked to too many blogs these days!

William M. Briggs

Class 91: Try Not To Use the ROC Curve & AUC

Climate Change Increases Risk of Even Slower World Cup Games!

The Ultimate IQ Test: Guessing the Author’s Mind and Escaping the Infinity of Answers

Reader Poll: Shorter or Longer, Frequent or Rarer Posts?

No Model Will Save Us: Pope Leo, the Miserostat, and AI’s Woke Coders

How High an IQ Must A Person Have To Be Executed?

Class 90: Simple (Optimal) Decisions

Shocking Abortion Numbers: Death Distributions Show We’re Living Longer

Blessed Memorial Day; No Class; See You Wednesday

Why There Are (Probably) No UFOs: “Climate Change”

Creating Microbial Monsters To Terrorize Ourselves

Class 89: The Measure Most Modelers Forget: Skill Examples

The Shocking Conclusion of the HR Trilemma!

The HR Trilemma: Which Door Decides Your Fate?

Capital Punishment Deters Crime More Than The Death Penalty

How Experts Use “Calamities” to Find Official Victims & Gain Power

Richard Dawkins, The Big Muscles Fallacy & AI Pachinko

Class 88: The Most Neglected Concept: Skill

The Red-Blue Button Dilemma & Its Surprising Answer

UFO Reports About To Blast Off!

Class 87: Calibration & Conformal Prediction: Examples

Class 91: Try Not To Use the ROC Curve & AUC

Climate Change Increases Risk of Even Slower World Cup Games!

A Case Of Bad Statistics In An IQ-Intelligence Study

How’d We Do On Our 2018 Predictions?

Register Your Predictions For 2019!

The Probability Of Your Existence

The Monty Hall Problem — Solved!

How Many Geniuses Are There?

The Probability of Monkeys Typing Shakespeare

Dutch Book: Or, How to Gamble

There Is No Culture Without Inequality: Stove 1

Impose Your Beliefs Before They Impose Theirs

Telekinesis: Ideas In Our Reenchantment & Rectification

The Physics Of Blessings: Ideas In Our Reenchantment & Rectification