Archive for 2009

Numeracy: words to figures

Tuesday, February 10th, 2009

Download a HotPotatoes quiz JQZ file for writing numbers in figures and back again. You can also save a copy of the Web page export of the words to figures and back again quiz.

An example of 20 minutes a day e-learning but actually took 35 minutes because of the need to help a colleague switch [...]

Example frequency distribution

Monday, February 9th, 2009

Download a two page PDF file [ 10 Mb file ] with scans of the histogram and cumulative curve drawn from a frequency distribution of adult male weights (made up data!). The frequency distribution has a moderate skew and shows the way the mean, median and mode spread out under those circumstances. The frequencies and [...]

Tree diagram build

Sunday, February 8th, 2009

Just a tree diagram that builds, based on a with replacement problem

The Challenge

Sunday, February 8th, 2009

“When I’m working on a story or novel, I set a modest daily goal — usually a page or two — and then I meet it every day, doing nothing else while I’m working on it. It’s not plausible or desirable to try to get the world to go away for hours at a time, [...]

Average and spread

Saturday, February 7th, 2009

Central tendency and dispersion PowerPoint on Slide Share