Archive for the ‘Statistical Significance’ Category

Statistical Significance – The Simple One

March 15, 2013

Joanne Nova recently branched out of her comfort zone (spreading doubt) to try her hand at statistics claiming that surface temperature data since 2005 shows statistically significant cooling in 4 of 5 datasets.

Her words …

The cooling for the last eight years is statistically significant in 4 of the 5 major air temperature datasets.

Statistically significance is very rarely found on such short timeframes, so how did Nova manage to find it? Simple! She invented her own concept of statistically significance; “The easy one” as she put it.