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.
Edit: I did find something on about.com suggesting that a medium cabbage is two pounds. Unfortunately it claims that a two-pound head of cabbage makes 10 cups shredded, but that a medium head makes four cups. I think the ten cups is way, way closer to correct, based on experience. If you do want a volume, that would probably be a good estimate.