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).
Post 10. An ostrich egg being the largest cell is a common myth, but an ostrich egg does contain a tiny egg cell, surrounded by supportive materials such as albumin, yolk and shell. Those supportive materials are not part of the egg.here are at least several biological cells larger than an ostrich egg, despite the fact that even many scientists and laypeople believe the ostrich egg is indeed the biggest. The ostrich may actually be the heaviest cell, but this has not yet been tested.