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.
What habitats do scorpions live in? they live in hot, dry areas such as arizona. they like to dig holes into the sand so watch your feet while your at the beach ;) they have black venom that is very poisonus and â¦ you must contact your physition when stung by one.hat habitats do scorpions live in? they live in hot, dry areas such as arizona. they like to dig holes into the sand so watch your feet while your at the beach ;) they have black venom that is very poisonus and â¦ you must contact your physition when stung by one.