What is a right-tailed test?
Understand the Problem
The question is asking for an explanation of what a right-tailed test is, which is a concept in statistics used to determine if there is enough evidence to support a hypothesis that a particular parameter is greater than a specific value.
Answer
A right-tailed test is used when the alternative hypothesis states that the parameter is greater than the value specified in the null hypothesis.
A right-tailed test is used when the alternative hypothesis states that the true value of the parameter is greater than the value specified in the null hypothesis.
Answer for screen readers
A right-tailed test is used when the alternative hypothesis states that the true value of the parameter is greater than the value specified in the null hypothesis.
More Information
A right-tailed test is often used in scenarios where we want to prove that something has increased or is greater than a known standard or average.
Tips
Remember to always look at the direction of the inequality in the alternative hypothesis; '>' indicates a right-tailed test.
Sources
- One Tailed and Two Tailed Tests - Hypothesis Testing - ncl.ac.uk
- Left Tailed Test or Right Tailed Test? - Statistics How To - statisticshowto.com
- Tailed Hypothesis Tests - sixsigmastudyguide.com
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