### Categories

### Recent Comments

- tpc on Mathematics and poetry
- tpc on Discovery
- tpc on Dear Maurits
- Twin corrections | eon on Mathematics and Coffee
- tpc on Prime (Car) Number

### Links

### Archives

- August 2018
- July 2018
- June 2018
- December 2017
- November 2017
- August 2017
- May 2017
- April 2017
- March 2017
- October 2016
- September 2016
- August 2016
- July 2016
- December 2015
- October 2015
- September 2015
- August 2015
- June 2015
- March 2015
- February 2015
- January 2015
- August 2014
- July 2014
- June 2014
- April 2014
- March 2014
- January 2014
- November 2013
- October 2013
- September 2013
- August 2013
- July 2013
- June 2013
- May 2013
- April 2013
- February 2013
- January 2013
- December 2012
- November 2012
- October 2012
- September 2012
- August 2012
- July 2012
- June 2012
- May 2012
- March 2012
- February 2012
- January 2012
- December 2011
- November 2011
- October 2011
- September 2011
- August 2011
- July 2011
- June 2011
- May 2011
- April 2011
- March 2011
- February 2011
- January 2011
- December 2010
- November 2010
- October 2010
- September 2010
- August 2010
- July 2010
- June 2010
- May 2010
- April 2010
- March 2010
- February 2010
- January 2010
- October 2009
- September 2009
- August 2009
- July 2009
- June 2009
- May 2009
- April 2009
- March 2009
- February 2009
- January 2009
- December 2008
- November 2008
- October 2008
- September 2008
- June 2008
- May 2008
- April 2008
- March 2008
- January 2008
- December 2007
- November 2007
- August 2007
- July 2007
- June 2007
- May 2007
- April 2007
- March 2007
- February 2007
- January 2007
- December 2006
- November 2006
- October 2006
- September 2006
- August 2006
- July 2006
- June 2006
- May 2006
- April 2006
- March 2006
- February 2006
- January 2006
- December 2005
- November 2005
- September 2005
- August 2005
- July 2005
- June 2005
- May 2005
- April 2005
- March 2005
- February 2005
- January 2005
- December 2004
- November 2004

### Meta

# Category Archives: Statistics

## That’s an emphatic NO!

all 49% of it. Seen via math-fail.com I was curious about the source and google pointed me here. To restore our sanity, here’s a neat problem from the 2012 AMC 8: Let R be a set of 9 distinct integers. … Continue reading

Posted in Fun Stuff, Problems, Statistics
Leave a comment

## How to Lie with Statistics – that illusive 0.1%

Cut out the following from a newspaper ad for a company IPO. 8% is a great yield by current standards but I just loved how the bar chart showed such an impressive growth from 7.9% to 8.0%. If the chart … Continue reading

Posted in Statistics
Leave a comment

## Lies, damned lies and statistics

a report on manipulating p-values in medical/clinical “research”. http://wmbriggs.com/blog/?p=3978 the oft-quoted title is due to Benjamin Disraeli.

Posted in Quotes/People, Statistics
Leave a comment

## Statistics and student behaviour 2

continuation of a previous post. Last year, for the very first time I had my full lecture series made available as webcasts. I’ve always not been a fan of doing this and managed to avoid it so far because I … Continue reading

Posted in Linear Algebra, Statistics, Teaching, Technology
Leave a comment

## Statistics and student behaviour 1

I have a couple of statistics that I compiled this year for my 400 student course on linear algebra. Submitting in class worksheets. I set 10 worksheets over the the semester and distributed them to students during lectures to be … Continue reading

Posted in Linear Algebra, Statistics, Teaching
1 Comment

## Nefarious Numbers

is an article by Douglas Arnold and Kristine Fowler (a librarian whom I guess did most of the digging) about how impact factors can be manipulated. They pull no punches and it’s worth your time reading if you are impacted … Continue reading

Posted in General, Statistics
Leave a comment

## mean wealth

An interesting report appeared in the local papers about Singapore being the fourth wealthiest nation in terms of estimated net worth. The news in itself was not as interesting as the actual figures that was estimated. Mean net worth : … Continue reading

Posted in General, Statistics
Leave a comment

## World Environment Day and 17291

Yesterday (5th June) was World Environment Day. I wouldn’t say I’m a green fanatic but I do try my best to recycle, use the air conditioner only when it is unbearable and bring my own non-plastic shopping bags whenever I … Continue reading

Posted in General, Number Theory, Statistics, Technology
Leave a comment

## Mathematical constants

If for some reason, you wanted the values of certain mathematical constants to a few billion digits, numberworld.org might be a site for you. Well known ones like [tex]\sqrt{2}, \frac{\sqrt{5}-1}{2}, e, \pi, \log(2), \log(10), \zeta(3), \gamma [/tex] are all there … Continue reading

Posted in Number Theory, Statistics, Technology
Leave a comment

## What’s in a name …

while a rose by any other name may smell as sweet, a mathematician might just be discriminated by his/her name. The perceived ability of a mathematician (as well as most academics) is by publications. There are two norms in listing … Continue reading

Posted in Books, General, Statistics
1 Comment

## Reporter or reported innumeracy

In the midst of recession and oil prices falling from $145 to below $80, the ridiculous power company announced that electricity prices are going up by 21%, based forward oil pricing. The best thing is that our electricity are generated … Continue reading

Posted in Probability, Statistics
2 Comments

## understanding randomness

Most people tend to confuse randomness with uniformly distributed. They believed that if you toss a coin 100 times you would get 50 heads and 50 tails. Lots of people have discussed this, gave examples of how they detected pseudo … Continue reading

Posted in Statistics
Leave a comment

## Always check your data

I read in the local newspaper that 54.2% of bioengineering graduates last year found jobs not related to their field of study. Ha, great fodder for me to attack the crazy obsession with life sciences. But since we live in … Continue reading

Posted in Statistics
Leave a comment

## The Tail Wagging the Dog

A headline in a local newspaper read “Want higher salary? Get master’s degree” Woe is me, for a master’s I possess not. The reporter wrote based on a ministry of manpower study which I tried in vain to locate. So … Continue reading

Posted in Statistics
Leave a comment

## Counting Tanks

A very nice guardian article on how the British used statistics to count German tanks. (via Mathforge.) I particularly like this bit: The statisticians believed that the Germans, being Germans, had logically numbered their tanks in the order in which … Continue reading

Posted in Statistics
Leave a comment

## How To Lie With Statistics – Fat Green Pipe

The latest advertising campaign of a local internet service provider is tauting their service as the Fat Green Pipe. (Allusions to Super Mario Bros?) It is classical Darrell Huff. The numerical data states 95% vs 65% which is measured by … Continue reading

Posted in Statistics
Leave a comment

## The Lady Tasting Tea – David Salsburg

Honestly, I know next to nothing about statistics. It’s no wonder that I have not heard of this book, and most of the actors in the stories within. This is a good book that tells the tales of the origin … Continue reading

Posted in Books, Quotes/People, Statistics
Leave a comment

## Freakonomics

by Steven D Levitt and Stephen Dubner. A local bestseller that attempts to find the hidden answers from (not necessarily economic) data. The answers presented are controversial to say the least, but yet not quite far fetched. That’s I guess … Continue reading

Posted in Books, Statistics
2 Comments

## Forecasts

My previous job was doing operations research in a big logistic company. The problem of the day was making accurate forecasts. For example, the amount of work fluctuated significantly from day to day and we needed an accurate gauge of … Continue reading

Posted in Statistics
2 Comments

## Dangerous Living Room

One headline of the local newspaper reads “Living Room is the Most Dangerous Place for Kids”. In the report, they quoted a study which showed that 30% of accidents involving children occurred in the living room. This is a classic … Continue reading

Posted in Statistics
Leave a comment