# Course Project- Phase 3

*label*Mathematics

*timer*Asked: Oct 21st, 2018

*account_balance_wallet*$25

### Question Description

Phase 1 and 2 attached

This week you will begin working on Phase 3 of your course project. Using the same data set and variables for your selected topic that you used for phases 1 and 2, add the following information to your analysis:

__Discuss the process for hypothesis testing.__- Explain the 8 steps of hypothesis testing
- When performing the 8 steps for hypothesis testing, which method do you prefer; P-Value method or Critical Value method? Why?

__Perform the hypothesis test.__

If you selected Option 1 (Salaries):: The average salary for all jobs in Minnesota is less than $65,000. Test the claim using α = 0.05 and assume your data is normally distributed and σ is unknown.__Claim__

If you selected Option 2 (Patients at NLEX hospital):: The average age of all patients admitted to the hospital with infectious diseases is less than 65 years of age. Test the claim using α = 0.05 and assume your data is normally distributed and σ is unknown.__Claim__

Based on your selected topic, perform and document the following steps:

- Write the null and alternative hypothesis symbolically and identify which hypothesis is the claim.
- Is the test two-tailed, left-tailed, or right-tailed? Explain.
- Which test statistic will you use for your hypothesis test; z-test or t-test? Explain.
- What is the value of the test-statistic? Show your calculation
- What is the P-value? Explain how you determined it
- What is the critical value? Explain how you calculated it
- What is your decision? Reject the null or do not reject the null? Explain why you made your decision including the results for your p-value and the critical value.
- State the final conclusion in non-technical terms.

Please show your work for the construction of the test-statistic and explain your process for finding the p-value and critical value. You may use the Equation Editor to format your calculation steps on the Word document or attach an Excel spreadsheet clearly showing each calculation for #B4 and #B5, but your answers still need to appear on the Word document. **Also, be sure to number each response in your paper using the same numbers as above**

This assignment should be formatted using APA guidelines and a minimum of 2 pages in length.

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