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.
Hence there are four software test types: 1  Functional testing. 2  Non-functional testing. 3  Structural testing.  Change related testing.
Lab assignment. t-tests with SPSS. There are basically two kinds of t-tests. The between-groups (or independent means) t-test is a statistical test designed to examine whether means from two different samples are significantly different from one another.ab assignment. t-tests with SPSS. There are basically two kinds of t-tests. The between-groups (or independent means) t-test is a statistical test designed to examine whether means from two different samples are significantly different from one another.