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  1. Statistical hypothesis testing - Wikipedia

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

    A statistical hypothesis, sometimes called confirmatory data analysis, is a hypothesis that is testable on the basis of observing a process that is modeled via a set of random variables. A statistical hypothesis test is a method of statistical inference.Commonly, two statistical data sets are compared, or a data set obtained by sampling is compared against a synthetic data set from an ...

  2. Null hypothesis - Wikipedia

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

    The choice of null hypothesis (H 0) and consideration of directionality (see "one-tailed test") is critical.Tailedness of the null-hypothesis test. Consider the question of whether a tossed coin is fair (i.e. that on average it lands heads up 50% of the time) and an experiment where you toss the coin 5 times.

  3. Hypothesis Test for Science Projects

    www.cool-science-projects.com/hypothesis-test.html

    Time to create your hypothesis test. You have picked your Hypothesis and now it’s time to test it! Often times this part of the science fair experiment is the most fun.

  4. Example of a Chi-Square Goodness of Fit Test - ThoughtCo

    https://www.thoughtco.com/chi-square-goodness-of-fit-test-example...

    The chi-square goodness of fit test is a useful to compare a theoretical model to observed data. This test is a type of the more general chi-square test. As with any topic in mathematics or statistics, it can be helpful to work through an example in order to understand what is happening, through an example of the chi-square goodness of fit test.

  5. Making Sense of the Two-Sample T-Test | iSixSigma

    https://www.isixsigma.com/.../making-sense-two-sample-t-test

    The two-sample t-test is one of the most commonly used hypothesis tests in Six Sigma work. It is applied to compare whether the average difference between two groups is really significant or if it is due instead to random chance.

  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 the …

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

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

    When you set up a hypothesis test to determine the validity of a statistical claim, you need to define both a null hypothesis and an alternative hypothesis. Researchers often challenge claims about population parameters. You may hypothesize, for example, that the actual proportion of women who have ...

  8. Hypothesis Testing: The Basics

    20bits.com/article/hypothesis-testing-the-basics

    represents the run of 100 coin flips. The Statistics, Mathematically. Say you have a set of observations O and a null hypothesis H 0.In the above coin example we were trying to calculate

  9. What Statistical Hypothesis Test Should I Use? - Minitab

    blog.minitab.com/.../what-statistical-hypothesis-test-should-i-use

    So, you collected some data and now you want it to tell you something meaningful. Unfortunately, your last statistics class was years ago and you can't quite remember what to do with that data. You remember something about a null hypothesis and and alternative, but what's all this about testing ...

  10. Hypothesis | Define Hypothesis at Dictionary.com

    https://www.dictionary.com/browse/hypothesis

    Hypothesis definition, a proposition, or set of propositions, set forth as an explanation for the occurrence of some specified group of phenomena, either asserted merely as a provisional conjecture to guide investigation (working hypothesis) or accepted as highly probable in …