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).
An ostrich or Struthio camelus is a large, flightless bird that originated in Africa. If you are planning to raise animals ... Ostriches are large, flightless birds that live in the dry, ... Ostrich eggs are 6 inches (15 cm) in diameter and can weigh up to 3 lbs. ...