The statistical methods discussed in this chapter are used to test characteristics of populations without referring to specific parameters. For this reason, these techniques are called nonparametric techniques.
Indicate whether the statement is true or false
Question 2
A Wilcoxon rank sum test for comparing two populations involves two independent samples of sizes 15 and 20 . If the value of un-standardized test statistic is T = 225, then the value of the standardized test statistic is z = -1.50.
Indicate whether the statement is true or false
Pregnancy test
Diesel Emission Testing - Opacity Test.
Taste Test
Polygraph Test
Test-cross analysis of F1 plants