In a statistical test, we have a choice of a left-tailed test, a right-tailed test, or a two tailed test.  Is it the null hypothesis or the alternate hypohesis that determines which type of test is used? Explain the answer.

Q: Compare and Contrast alternate hypothesis and null hypothesis. How do these concepts relate to each…

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Q: In a statistical test, we have a choice of a left-tailed test, a right-tailed test, or a two-tailed…

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Q: We used a one-tailed test instead of a two-tailed test. Rewrite the alternative hypothesis (in words…

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A: Here the direction of the test is to the left.

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Q: State the research hypothesis and null hypothesis       Would the researchers use a one- or…

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Q: When is it valid to use a one-tailed test? What is the advantage of a one-tailed test? Give an…

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Q: Why do we need to use Hypothesis testing??

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Q: Interpret, in words, what it means for a research question that a null hypothesis was accepted.

A:

Q: Why do we test a null hypothesis instead of a research hypothesis

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A:

Q: What are the rules involved in setting up the hypothesis? How would you determine if it is a…

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A:

Q: Explain the difference, in your own words, between a null hypothesis and the alternative hypothesis.…

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Q: Why is the phrase “goodness of t” used to describe the type of hypothesis test considered in this…

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A: Basics:

Q: What does the p-value represent in a test of hypothesis? The p-value represents the significance…

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Q: What is the purpose of a hypothesis test?

A: Hypothesis: Hypothesis is an assumption about the parameter of the population which will be made on…

Q: What is a null hypothesis?

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Q: What is the relationship between an alternative and a null hypothesis?

A: Note: Hi there! Thank you for posting the questions. As there are several independent questions.…