The null hypothesis
It is the hypothesis being tested, the belief of a specific characteristic for illustration, US Bureau of Standards may walk to a sugar making company along with an intention of confirming that the 2 kilograms (kgs) bags of sugar produced are actually 2 kilograms (kgs) and not less, they conduct hypothesis testing along with the null hypothesis being: H0 = each bag weighs 2 kilograms (kgs). The testing will set out to confirm it or to refute it.