Week 3 course project phase 3 - statistics

Week 3 course project phase 3 - statistics

This week you will begin working on Phase 3 of your course project. Using the same data set and variables for your selected topic, add the following information to your 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?

1. Perform the hypothesis test.
• If you selected Option 1:
• Original Claim: 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.
• 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?
1. Explain why you made your decision including the results for your p-value and the critical value.
7. State the final conclusion in non-technical terms.