About 90,000 results
Open links in new tab
  1. Null hypothesis - Wikipedia

    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.

  2. What Is The Null Hypothesis & When To Reject It - Simply Psychology

    Jul 31, 2023 · Null hypotheses (H0) start as research questions that the investigator rephrases as statements indicating no effect or relationship between the independent and dependent variables. It …

  3. How to Write a Null Hypothesis (5 Examples) - Statology

    Mar 10, 2021 · Null hypothesis: The sample data provides no evidence to support some claim being made by an individual. Alternative hypothesis: The sample data does provide sufficient evidence to …

  4. Null and Alternative Hypotheses | Definitions & Examples

    May 6, 2022 · In other words, the null hypothesis (i.e., that there is no effect) is assumed to be true until the sample provides enough evidence to reject it. Null hypotheses often include phrases such as “no …

  5. Null Hypothesis Definition and Examples - ThoughtCo

    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.

  6. Null Hypothesis Definition and Examples, How to State

    What is the Null Hypothesis? 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. …

  7. Null Hypothesis: Definition, Rejecting & Examples - Statistics by Jim

    Feb 15, 2022 · What is a Null Hypothesis? The null hypothesis in statistics states that there is no difference between groups or no relationship between variables. It is one of two mutually exclusive …

  8. Null Hypothesis - GeeksforGeeks

    Aug 6, 2025 · Null Hypothesis, often denoted as H0, is a foundational concept in statistical hypothesis testing. It represents an assumption that no significant difference, effect, or relationship exists …

  9. Null Hypothesis Examples - Science Notes and Projects

    Oct 26, 2020 · To state the null hypothesis, first state what you expect the experiment to show. Then, rephrase the statement in a form that assumes there is no relationship between the variables or that …

  10. Null Hypothesis | Definition, Formula, Examples & Testing

    The Null Hypothesis (H₀) is a fundamental concept in statistics used to test assumptions or claims about a population. It represents a statement of no effect, no difference, or no relationship between …