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Another way to find the variance

September 27, 2011

The following is a copy of a post I’ve put on my Stats blog for yr12 students:


Here’s my first video tutorial for you guys.

It’s about a short cut method for finding the variance (which you can then square root to find the standard deviation). (Sorry about the slightly dodgy audio at the end.)

Let me know what you think and if there’s another topic you’d particularly like me to cover like this.

Of course, if you’re interested in making one yourself, I can definitely help you with that.



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