### ⟩ What is null hypothesis?

The null hypothesis (denote by H0 ) is a statement about the value of

a population parameter (such as mean), and it must contain the condition of equality and must be written with the symbol =, ≤, or ≤.

The null hypothesis (denote by H0 ) is a statement about the value of

a population parameter (such as mean), and it must contain the condition of equality and must be written with the symbol =, ≤, or ≤.