### What is the value of the test-statistic

##### Reference no: EM131298561

Assignment

Scenario 1

https://content.learntoday.info/G310c_Spring_15/site/Project/g310_scenario_option1.docx

https://content.learntoday.info/G310c_Spring_15/site/Project/g310_dataset_option1.xlsx

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:

• 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?

• 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.

• If you selected Option 2:

• 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 α = 0.05 and assume your data is normally distributed and σ is unknown.

• 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? What is the P-value?

• What is the critical value?

• 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.

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