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Tag Archives: Statistics
Stats Joke
From page 68 of Simon Singh’s The Simpsons and their Mathematical Secrets: While heading to a conference on board a train, three statisticians meet three biologists. The biologists complain about the cost of the train fare, but the statisticians reveal … Continue reading
ASA’s statement on p-values
The American Statistical Association (ASA) recently published a statement on the use of p-values in the scientific process. The full text of “The ASA’s statement on p-values: context, process, and purpose“, along with commentaries from 20+ discussants, is available for … Continue reading
Guess the correlation!
A new game that’s been making its rounds on the Internet: Guess The Correlation! Lots of fun, gives an idea of how the scatterplot depicting various correlation coefficients could look like. Reminds me a bit of Anscombe’s quartet: the distribution … Continue reading
[Soln] Spring 2014 USA Online Math Open Qn 4
Spring 2014 USA OMO Qn 4. The integers are written in order on a long slip of paper. The slip is then cut into five pieces, so that each piece consists of some (nonempty) consecutive set of integers. The averages of … Continue reading
Spring 2014 USA Online Math Open Qn 4
Spring 2014 USA OMO Qn 4. The integers are written in order on a long slip of paper. The slip is then cut into five pieces, so that each piece consists of some (nonempty) consecutive set of integers. The averages of … Continue reading
2014 AMC 10B Problem 18 / AMC 12B Problem 11
2014 AMC 10B 18 / AMC 12B 11. A list of 11 positive integers has a mean of 10, a median of 9, and a unique mode of 8. What is the largest possible value of an integer in the … Continue reading
Beyond Solutions 