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).
1 Depending on the size of the egg, the costs of an ostrich egg are going to be anywhere from as little as $25 to as much as $75 per egg. 2  The larger the egg is, the more it is going to cost.