Covariance measures the linear relationship between two variables. The covariance is similar to the correlation between two variables, however, they differ in the following ways: Correlation coefficients are standardized. Thus, a perfect linear relationship results in a coefficient of 1. The correlation measures both the strength and direction of the linear relationship between two variables.
The Largest True Goldfish Ever Caught. The largest true goldfish on record was measured at 5lbs (2.27 kilograms) and was caught by a 16 year old schoolboy in the UK. This blown-up goldfish was evidently a pet before it ended up into a lake.
WORLDâS BIGGEST SHARK. The catch set the record for the biggest mako shark and is one of the biggest of any catch ever. Two videographers from an Outdoor Channel reality show were filming on a boat where fisherman reeled in whatâs believed to be the largest mako shark in recorded history.