# module 3 assignment excel and paper

In this module you will begin working on Phase 3 of your course project. Using the same data set and variables the following analysis:

1. Discuss the process for hypothesis testing.
• Discuss 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?
2. Perform the hypothesis test.
• Original Claim: The average age of all patients admitted to the hospital with infectious diseases is less than 65 years of age.
• Test the claim using Î± = 0.05 and assume your data is normally distributed and Ïƒ, the population standard deviation, is unknown.
• Based on your selected topic, answer the following:
1. Write the null and alternative hypothesis symbolically and identify which hypothesis is the claim.
2. Is the test two-tailed, left-tailed, or right-tailed? Explain.
3. Which test statistic will you use for your hypothesis test; z-test or t-test? Explain.
4. What is the value of the test-statistic? What is the P-value?
5. What is the critical value?
6. What is your decision; reject the null or do not reject the null?
7. Explain why you made your decision including the results for your p-value method or the critical value method.
8. 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. Be sure to use the Equation Editor to format your equations.

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