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Final outcome ÷ possible outcome X100 (eg. If I got 23 out of 30 for a test then ---> 23÷30 X100 = 76.66= 77% ) hope this helped... :]*
In assays, or medical tests, both qualitative and quantitative tests occur. The qualitative test identifies the presence or absence of the pathogen or toxin (or other molecule) being tested for, while the quantitative test hopes to measure how much of that particular substance is in the body.
The underlying principle is that the square of an independent Normal variable has a chi-square distribution with one degree of freedom (df). A second principle is that the sum of k independent chi-squares variables is a chi-squared variable with k df.
There is a math test for on the cna test
Test case is a smallest unit of test to test the specific functionality. Test case have pre and post condition, actions, steps and expected result. Test script is a set of statements to test the positive scenario of the functionality