Archive for 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

Chocolate mushroom package

Saturday, January 30th, 2010

Ruth gets chocolate from an international sweet shop in Birmingham. This Japanese pack seems to contain mock mushrooms with chocolate caps and biscuit stalks. I love the typography on the back of the package…

Some of the details appear to be telling a story (aimed at children?)

And the teacher figure appears in red on the back [...]