What is the meaning of Null Hypothesis?

Correct answer

Both A & B

Explanation

Explanation The null hypothesis (often denoted as ( H 0 ) is a fundamental concept in statistical hypothesis testing. It typically states that there is no effect or no difference, and any observed effect or difference is due to random chance or sampling error. Both A & B : This is correct because the null hypothesis often includes the notion that there is no significant difference between parameters (A) and that any observed difference is due to random sampling error (B).