In statistics, the coefficient of determination R2 is the proportion of variability in a data set that is accounted for by a statistical model. In this definition, the term variability is defined as the sum of squares. There are equivalent expressions for R2 based on an analysis of variance decomposition.
On average, an ostrich egg weighs about 1.4 Kg (3.1 pounds). On average, an ostrich egg weighs about 1.4 Kg (3.1 pounds).
It takes 26 pounds of pressure to break a swan's egg and 120 pounds to smash the egg of an ostrich. Finding a place to safely place and hatch their eggs, and raise their young to the point of independence, is a challenge birds have solved in many clever ways.They use artistry, intricate design and complex engineering.t takes 26 pounds of pressure to break a swan's egg and 120 pounds to smash the egg of an ostrich. Finding a place to safely place and hatch their eggs, and raise their young to the point of independence, is a challenge birds have solved in many clever ways. They use artistry, intricate design and complex engineering.