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  1. Null hypothesis - Wikipedia


    In inferential statistics, the null hypothesis is a general statement or default position that there is no relationship between two measured phenomena, or no association among groups. Testing (accepting, approving, rejecting, or disproving) the null hypothesis—and thus concluding that there are or are not grounds for believing that there is a relationship between two phenomena (e.g. that a ...

  2. Null Hypothesis - The Commonly Accepted Hypothesis


    The simplistic definition of the null is as the opposite of the alternative hypothesis, H 1, although the principle is a little more complex than that.. The null hypothesis (H 0) is a hypothesis which the researcher tries to disprove, reject or nullify.. The 'null' often refers to the common view of something, while the alternative hypothesis is what the researcher really thinks is the cause ...

  3. xkcd: Null Hypothesis


    This work is licensed under a Creative Commons Attribution-NonCommercial 2.5 License. This means you're free to copy and share these comics (but not to sell them). More details.

  4. Null Hypothesis - Investopedia


    The null hypothesis is the initial statistical claim that the population mean is equivalent to the claimed. For example, assume the average time to cook a specific brand of pasta is 12 minutes.

  5. What is a null hypothesis? definition and meaning ...


    A proposition that undergoes verification to determine if it should be accepted or rejected in favor of an alternative proposition. Often the null hypothesis is expressed as "There is no relationship between two quantities.". For example, in market research, the null hypothesis would be "A ten-percent increase in price will not adversely affect the sale of this product."

  6. Journal of Articles in Support of the Null Hypothesis


    Welcome to the Journal of Articles in Support of the Null Hypothesis.In the past other journals and reviewers have exhibited a bias against articles that did not reject the null hypothesis. We seek to change that by offering an outlet for experiments that do not reach the traditional significance levels (p < .05).Thus, reducing the file drawer problem, and reducing the bias in psychological ...

  7. Entrepreneurs, You Need To Test The Null Hypothesis ...


    The best way to uncover your business model's weakness is to prove that it CAN'T work. If the idea survives, then you know you have a solid plan.

  8. How to Determine a p-Value When Testing a Null Hypothesis


    When you test a hypothesis about a population, you can use your test statistic to decide whether to reject the null hypothesis, H 0. You make this decision by coming up with a number, called a p-value. A p-value is a probability associated with your critical value. The critical value depends on the ...

  9. Null and Alternative Hypothesis | Real Statistics Using Excel


    Jessica, If you reject the null hypothesis, then you would conclude that there is a significant difference between the scores of patients being tested with those know to have dementia.

  10. Null Hypothesis Definition and Example


    Null Hypothesis What is the null hypothesis? Below is a definition of the null hypothesis. Null Hypothesis Definition The null hypothesis is the opposite of the alternative