In statistical theory, covariance is a measure of how much two random variables change together. In other words, covariance is a measure of the strength of the correlation between two random variables. Also, it can be considered as a generalization of the concept of variance of two random variables.
Facts & Figures. Lake Baikal is the largest freshwater lake by volume (23,600km3), containing 20% of the world's fresh water. At 1,637m, it is the deepest freshwater lake in the world; the average depth is 758m. It is 636km long and 81km wide; the surface area is 31,494km2. The lake is estimated to be 25 million years old, making it one of the most ancient lakes in geological history.
Located on the border of Peru and Bolivia is the largest freshwater lake by volume in South America, Lake Titicaca. With an elevation of 12,507 feet, this million year old lake is also one the world's highest commercially navigable lakes.All along the shores are native villages where traces of their ...ocated on the border of Peru and Bolivia is the largest freshwater lake by volume in South America, Lake Titicaca. With an elevation of 12,507 feet, this million year old lake is also one the world's highest commercially navigable lakes. All along the shores are native villages where traces of their ...