Archive for the ‘statistical recipes’ Category

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 [...]

Five number summary

Thursday, January 28th, 2010

Download a two sided handout on finding the five number summary for a set of data

The five numbers are the maximum, the minimum, the median and the upper and lower quartiles. This set of numbers can tell you about the central tendency of your data, the spread, the extreme values, and provide low order information [...]