Archive for February, 2010

Mean and standard deviation by stealth

Saturday, February 13th, 2010

Download a set of instructions written in English about how to calculate the mean and standard deviation of a data set.

This has been set to a group of students as homework (old fashioned term, but that is what it was) and I will evaluate the success of the mission in 10 days or so it [...]

Ten Data Sets

Sunday, February 7th, 2010

Download a PDF file with 10 data sets that can be used to illustrate a variety of statistical techniques

Useful pages:
Selected Data-sets from Publications by Martin BlandA stroop effect lap report with actual dataOne for the tree huggers – I always loved that picture of a road tunnel in the trunk of a Giant Redwood as [...]

February 2010 desktop

Saturday, February 6th, 2010

Click on the thumbnail above for a 1280 by 1024 pixel desktop image with a February 2010 calendar. Its on my desktop computer for what is left of this month. James Watt (with slide rule and plan) on the left, so a tenuous link to Maths.

Five number summary

Friday, February 5th, 2010

10 minutes on the max/min median and quartiles