Statistics – Page 122 – William M. Briggs

What People Think Probability Words Mean

The graph above came from Github and was the result of a poll of folks on Reddit. "The raw data came from /r/samplesize responses to the following question: What [probability/number]…

Class Statistics

Free Probability-Statistics Class: Predictive Case Study 1, Part XI

Review! We left off with comparing the standard, out-of-the-box linear regression with our multinomial predictive observable model. The great weaknesses of the regression were probability leakage (giving positive probability to…

Class Statistics

Free Probability-Statistics Class: Predictive Case Study 1, Part X

Review! Last time we created four models of CGPA. Which is correct? They all are. Why? I should ask as a homework question, but I'll remind us here. Since all…

Culture Statistics

Pew’s New Survey on Religious Groups Views on Abortion

Stream: Pew's New Survey on Religious Groups Views on Abortion According to a new survey by Pew Research, Unitarian Universalists are the strongest proponents of legal abortion, and Jehovah's Witnesses…

Class Statistics

Free Probability-Statistics Class: Predictive Case Study 1, Part IX

Review! Last time we successfully computed our model (8): (8) Pr(CGPA = i | guesses of new measures, grading rules, old obs, model), where i = 0,...,5. The model…

Statistics

Another Proof of the Uselessness of P-values

Susan Holmes has done us a service by writing clearly the philosophy of the p-value in her new paper "Statistical Proof? The Problem of Irreproducibility" in the Bulletin of the…

Statistics

Pay More Taxes And Live Longer. Wee P-value Alert!

It's bottom-of-the-barrel trolling to cite anything from Daily Kos, but this one is particularly asinine and worth showing to demonstrate the futility of p-values. Thanks to Al Perrella for the…

Class Statistics

Free Data Science Class: Predictive Case Study 1, Part VIII

Review! We're continuing with the CGPA example. The data is on line, and of unknown origin, but good enough to use as an example. We will build a correlational model,…

Phil R on Test Your IQ With These Puzzles! (Not So Easy!)July 1, 2025
...and I saw 5 or 25 in the figure. The division answer never occurred to me. Got all the rest…
Phil R on Test Your IQ With These Puzzles! (Not So Easy!)July 1, 2025
If someone asks a question that is conditional on some evidence or rule that they conveniently (or purposely) leave out,…
McChuck on Test Your IQ With These Puzzles! (Not So Easy!)July 1, 2025
The answer for the pictured question is obviously '1', as the slot already has a '1' in it, which has…
Briggs on Test Your IQ With These Puzzles! (Not So Easy!)July 1, 2025
Mark, That's exactly it.
Mark on Test Your IQ With These Puzzles! (Not So Easy!)July 1, 2025
Wittgenstein gave some examples like this in his Remarks on the Foundation of Mathematics, a book I had no business…