As part of the dissemination and awareness process we'll be sharing videos from external sources. To start the process I've selected the Statistics 101 Course on YouTube, by Brandon Foltz (https://www.youtube.com/user/BCFoltz/videos). He regularly publishes videos around statistical techniques. I'll admit, these are more directed towards the final year / dissertation students.
The following video explores the concept of correlation. Given it is part of a series, the start makes reference to the previous video. Therefore, I'd suggest, sit back, relax and give it time.
Correlation is a very useful statistical test for exploring two data sets which have no causal relationship. Excel (and Google Spreadsheet) includes an inbuilt function for calculating correlation coefficient. The following video outlines how this is done.
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