Αποτελέσματα Αναζήτησης
23 Ιουν 2022 · Learn how to perform one-tailed tests with three practical examples involving widgets, plants, and studying methods. A one-tailed test is used to test whether a population parameter is greater than or less than a specific value.
4 Νοε 2018 · Learn the differences, advantages and disadvantages of one-tailed and two-tailed hypothesis tests with examples of t-tests. One-tailed tests can detect effects in only one direction, while two-tailed tests can detect effects in both directions.
29 Ιουν 2024 · Learn how to use a one-tailed test to test a hypothesis that the sample mean is higher or lower than the population mean. See an example of a one-tailed test for portfolio performance and how to determine significance level and p-value.
17 Ιαν 2023 · In a one-tailed test, the alternative hypothesis contains the less than (“”) sign. This indicates that we’re testing whether or not there is a positive or negative effect. Check out the following example problems to gain a better understanding of one-tailed tests. Example 1: Factory Widgets
8 Νοε 2019 · Learn how to test a hypothesis using a one-tailed t-test, a statistical method for comparing the means of two groups. Follow the five steps of hypothesis testing with an example of comparing men's and women's heights.
12 Νοε 2018 · Learn the difference between one-tailed and two-tailed tests, and when to choose one over the other. Find out the rules, examples, and arguments for using one-tailed tests in various scenarios.
Learn about one-tailed and two-tailed tests in statistics through a free educational video on Khan Academy.
