### Write the null and alternative hypothesis symbolically

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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.

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

• If you selected Option 2:
o Original Claim: The average age of all patients admitted to the hospital with infectious diseases is less than 65 years of age.
o Test the claim using α = 0.05 and assume your data is normally distributed and σ is unknown.

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?

a. 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.

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