The Texas Integrated Report is a requirement of the federal Clean Water Act Sections 305(b) and 303(d). The Texas Integrated Report describes the status of Texasâ natural waters based on historical data.
There are different methods that can be used for software testing. This chapter briefly describes the methods available. The technique of testing without having any knowledge of the interior workings of the application is called black-box testing. The tester is oblivious to the system architecture and does not have access to the source code.
If not the t-test, then what? If the t-test is not appropriate, then one alternative is a nonparametric test, such as Wilcoxonâs test. Another alternative is a permutation test, or a bootstrap. In my opinion, all three alternatives ought to be used more often. Suppose one wishes to test if men are heavier than women in a given population.