Good Evening,

I see that you answered this question and I received the answers. I just wanted to know what formulas did you use for these questions.

You are to use the Average Virginia College Salaries 2011-12 for this project.Data sets may be found in the "Data Set" folder in the "Course Documents" tab on our blackboard site.

The average salary for a full professor in the 2011-12 year in the United States was $113,176.Is the average salary for a full professor in Virginia different from the national average?

1. Perform an appropriate hypothesis test for your question using a=.10.Show all important values you use as part of your test, including the null hypothesis, alternate hypothesis, test statistic value, and either the rejection region and critical value or p-value depending on the method you choose to use.State the result of your test in context of the question.

2. Create a90% confidence interval for the average salary for a full professor in Virginia in the 2011-12 school year.Using this confidence interval, what would you conclude about your research question?Why?

3. Did you find a different result with the two methods?If so, why do you think the results were different?If not, which method is better to answering your question?Does one method give you better information than the other?Provide at least one reason that a hypothesis test would be a better method, and one reason that a confidence interval would be a better method.