Asked by Caley Sample on Jun 10, 2024
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When the necessary conditions are met, a two-tail test is being conducted to test the difference between two population means, but your statistical software provides only a one-tail area of 0.156 as part of its output. The p-value for this test will be 0.078.
Two-Tail Test
A statistical test that considers both the upper and lower tails of the distribution to test for extreme values in both directions from the mean.
P-Value
The probability of obtaining test results at least as extreme as the ones observed during the study, assuming the null hypothesis is true.
Statistical Software
Computer programs designed to assist with the organization, analysis, and visualization of data for statistical purposes.
- Comprehend the role of p-values in determining outcomes in hypothesis testing.
- Acquire knowledge on the decision-making process for opting between one-tailed and two-tailed tests.
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Learning Objectives
- Comprehend the role of p-values in determining outcomes in hypothesis testing.
- Acquire knowledge on the decision-making process for opting between one-tailed and two-tailed tests.
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