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).
Ostrich eggs are the largest in the world! If the eggs are kept safe from hyenas, jackals, and Egyptian vultures, they hatch after around 6 weeks. The chicks are born about the size of a chicken and grow 30 cm (1 ft.) each month! By six months, the young ostriches have grown nearly as tall as their parents.