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 Their Jumbo Fresh Ostrich Egg for Eating retails for $75 while their Extra Large Fresh Ostrich Egg for Eating retails for $60. 2  On the other hand, a large egg can cost $50 while a medium can cost $40.