Hypothesis Tests

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deliverable_04_questions_ma.docx

Deliverable 04 Worksheet

1. <b> Discuss the process for hypothesis testing.

· Discuss the steps of hypothesis testing (should be around 8 steps)

· When performing the steps for hypothesis testing, which method do you prefer? The P-value method or the critical value method? Why?

Answer and Explanation:

Enter your step-by-step answer and explanations here.

2. <b> Perform the following hypothesis test:

· Original claim: The average salary for all jobs in Minnesota is less than $65,000.

· Test the claim using α = 0.05 and assume that your data is normally distributed and the population standard deviation (σ) is not known

· In your description of the hypothesis test, answer the following:

1. Write the null and alternative hypotheses 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: The Z-test or the t-test? Explain.

4. What is the value of the test statistic?

5. What is the critical value?

6. What is your decision? Reject the null, or do not reject the null?

7. 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 critical value.

Answer and Explanation:

Enter your step-by-step answer and explanations here.

3. <b> Calculate the P-value for this hypothesis test, and state the hypothesis conclusion based on the P-value.

Answer and Explanation:

Enter your step-by-step answer and explanations here.