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.
With a surprising number of varieties and sizes, cabbage (Brassica oleracea) head size can range from 6 to 8 inches across and up to 5 pounds each, with dwarf varieties ranging from 4 to 6 inches and 2 to 3 pounds each. Whatever the variety or size, all cabbages have a similar rooting system.