What is 'Covariance'. Covariance is a measure of the degree to which returns on two risky assets move in tandem. A positive covariance means that asset returns move together, while a negative covariance means returns move inversely.
23 September 2016. The heaviest red cabbage weighs 23.2 kg (51.15 lb) and was grown by David Thomas (UK), as verified at the UK National Giant Vegetables Championship in Malvern, UK, on 23 September 2016. David also holds the current record for Heaviest parsnip and Heaviest cucumber.
The Copenhagen cabbage, introduced to the trade generally in 1913, is one of the promising, newer, round-headed, very early varieties, that resembles the Danish Ball Head or the Volga in shape, but that is smaller and much earlier to mature. The average weight of the heads is from 5 to 6 pounds.