Author: Freesciencelessons via YouTube
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In this video, we look at continuous variation and standard deviation. First we look at the two different types of variation, which are continuous variation and discontinuous variation. We then explore how to calculate standard deviation and what standard deviation tells us about the amount of variation present.

Image credits:

Bacillus cereus
https://commons.wikimedia.org/wiki/File:Bacillus_cereus_SEM-cr.jpg
Mogana Das Murtey and Patchamuthu Ramasamy, CC BY-SA 3.0 https://creativecommons.org/licenses/by-sa/3.0, via Wikimedia Commons

Zebra
https://commons.wikimedia.org/wiki/File:Zebra_Botswana_edit.jpg
Taken & submitted by Paul Maritz (PaulmazModified by Pharaoh Hound, CC BY-SA 3.0 http://creativecommons.org/licenses/by-sa/3.0/, via Wikimedia Commons

Ash tree
https://commons.wikimedia.org/wiki/File:Ash_Tree_-_geograph.org.uk_-_590710.jpg
Brian Green / Ash Tree

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