Say is the average increase in shoe size for upper-class people compared to middle-class people: then the Wald test can be used to test whether is 0 (in which case social class has no association with shoe size) or non-zero (shoe size varies between social classes).
There are many different species of vultures and each has a different type of habitat. Turkey vultures are the most prominent of the New World vultures and can be found in Southern Canada, the Continental United States, Mexico, Central America and South America. These vultures live in small caves, beneath bushes, in hollowed out logs, and sometimes in abandoned structures.
This depends on the species of eagle. Eagles' habitat ranges from coastal to alpine areas. The Bald eagle, for example, prefers a habitat near to the seacoast or any other b â¦ ody of water, especially lakes. It also decides where its nest will be based on the abundance of fish there. It usually roosts and nests in deciduous forests. The nests are usually 2 feet deep and 5 feet wide.