The null hypothesis is a default hypothesis that a quantity to be measured is zero (null). Typically, the quantity to be measured is the difference between two situations.

May 6, 2022 · The null hypothesis of a test always predicts no effect or no relationship between variables, while the alternative hypothesis states your research prediction of an effect or …

Nov 26, 2025 · The meaning of NULL HYPOTHESIS is a statistical hypothesis to be tested and accepted or rejected in favor of an alternative; specifically : the hypothesis that an observed …

Jun 9, 2025 · In a scientific experiment, the null hypothesis is the proposition that there is no effect or no relationship between phenomena or populations.

Jul 31, 2023 · A null hypothesis is a statistical concept suggesting that there's no significant difference or relationship between measured variables. It's the default assumption unless …

The null hypothesis, H 0 is the commonly accepted fact; it is the opposite of the alternate hypothesis. Researchers work to reject, nullify or disprove the null hypothesis.

A null hypothesis is a fundamental statement in statistical hypothesis testing that asserts no significant difference or relationship exists between specified populations or variables. It …