What is an equivalence partition (also known as an equivalence class)?

a) A set of test cases for testing classes of objects
b) An input or output range of values such that only one value in the range becomes a test case
c) An input or output range of values such that each value in the range becomes a test case
d) An input or output range of values such that every tenth value in the range becomes a test case.


Ans: b