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  1. Null and Alternative Hypothesis | Real Statistics Using Excel

    www.real-statistics.com/hypothesis-testing/null-hypothesis

    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.

  2. How to Set Up a Hypothesis Test: Null versus Alternative ...

    https://www.dummies.com/education/math/statistics/how-to-set-up-a...

    (That is, the population mean is 5 minutes.) All null hypotheses include an equal sign in them. How to define an alternative hypothesis. Before actually conducting a hypothesis test, you have to put two possible hypotheses on the table — the null hypothesis is one of them.

  3. Hypothesis testing - Handbook of Biological Statistics

    www.biostathandbook.com/hypothesistesting.html

    Summary. One of the main goals of statistical hypothesis testing is to estimate the P value, which is the probability of obtaining the observed results, or something more extreme, if the null hypothesis were true. If the observed results are unlikely under the null hypothesis, your reject the null hypothesis.

  4. Null hypothesis - Wikipedia

    https://en.wikipedia.org/wiki/Null_hypothesis

    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 ...

  5. Statistics - Wikipedia

    https://en.wikipedia.org/wiki/Statistics

    Statistics is a branch of mathematics dealing with data collection, organization, analysis, interpretation and presentation. In applying statistics to, for example, a scientific, industrial, or social problem, it is conventional to begin with a statistical population or a statistical model process to be studied. Populations can be diverse topics such as "all people living in a country" or ...

  6. Research Hypothesis - Explorable

    https://explorable.com/research-hypothesis

    The precursor to a hypothesis is a research problem, usually framed as a question.It might ask what, or why, something is happening. For example, we might wonder why …

  7. AI-Therapy | Statistics for Psychologists | Hypothesis Testing

    https://www.ai-therapy.com/psychology-statistics/hypothesis-testing

    An overview of hypothesis testing and related terminology. About AI-Therapy. AI-Therapy creates online self-help programs using the latest evidence-based treatments, such as …

  8. Practice Hypothesis Testing Questions for DSc310 ...

    www2.gsu.edu/~dscbms/ibs/hypot.html

    1301-2. Q: Indicate which assumptions are needed to use the sample mean and normal tables to test a hypothesis about a population mean, MU, and known variance, SIGMA**2.

  9. Glossary of Statistical Terms - Department of Statistics

    https://www.stat.berkeley.edu/~stark/SticiGui/Text/gloss.htm

    Glossary of Statistical Terms You can use the "find" (find in frame, find in page) function in your browser to search the glossary.

  10. Null Hypothesis - The Commonly Accepted Hypothesis

    https://explorable.com/null-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 ...