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  1. Statistical hypothesis test - Wikipedia

    A statistical hypothesis test is a method of statistical inference used to decide whether the data provide sufficient evidence to reject a particular hypothesis. A statistical hypothesis test …

  2. Two-sample hypothesis testing - Wikipedia

    Two-sample hypothesis testing In statistical hypothesis testing, a two-sample test is a test performed on the data of two random samples, each independently obtained from a different …

  3. List of statistical tests - Wikipedia

    Statistical tests are used to test the fit between a hypothesis and the data. [1][2] Choosing the right statistical test is not a trivial task. [1] The choice of the test depends on many properties …

  4. One- and two-tailed tests - Wikipedia

    In coin flipping, the null hypothesis is a sequence of Bernoulli trials with probability 0.5, yielding a random variable X which is 1 for heads and 0 for tails, and a common test statistic is the …

  5. Two-proportion Z-test - Wikipedia

    Two-proportion Z-test The two-proportion Z-test (also called the two-sample proportion Z-test) is a statistical hypothesis test for assessing whether two groups differ in the proportion of a binary …

  6. Student's t-test - Wikipedia

    A one-sample Student's t-test is a location test of whether the mean of a population has a value specified in a null hypothesis. In testing the null hypothesis that the population mean is equal …

  7. Test statistic - Wikipedia

    Test statistic is a quantity derived from the sample for statistical hypothesis testing. [1] A hypothesis test is typically specified in terms of a test statistic, considered as a numerical …

  8. Likelihood-ratio test - Wikipedia

    Likelihood-ratio test In statistics, the likelihood-ratio test is a hypothesis test that involves comparing the goodness of fit of two competing statistical models, typically one found by …