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April 1, 2015

April 1, 2015

Posted by **Beverly** on Saturday, March 26, 2011 at 1:05am.

Should the researcher use a one-tailed or a two-tailed test? Why?

What is the alternative hypothesis?

What is the null hypothesis?

What should the researcher conclude about this relationship in the population?

Are the results significant? Explain your response.

What is the probability of making a Type I error?

If a Type I error were made, what would it mean?

What is the probability of making a Type II error?

If a Type II error were made, what would it mean?

- hypothesis testing -
**PsyDAG**, Saturday, March 26, 2011 at 11:05amWe do not do your work for you. Once you have attempted to answer your questions, we will be happy to give you feedback on your work. Although it might require more time and effort, you will

*learn more*if you do your own work. Isn't that why you go to school?

However, I will give you a start.

If you are considering both higher or lower, would you use a one tailed test?

Ho = mean1 = mean2

Ha = mean 1 ≠ mean2

- hypothesis testing -
**Beth**, Thursday, September 22, 2011 at 9:05pmNo

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