What is an anomaly?

In this video we define what we mean by an anomaly and also look at how anomalous results affect measures of spread and measures of central tendency. How do you think anomalous results affect the mean, median and range? If you want to provide some extra support for this channel be sure to check out "The Maths Factor" created by Carol Vorderman if you are or know someone aged 4-12 who requires help with Maths: http://www.awin1.com/cread.php?awinmid=5757&awinaffid=801487