Q using the same data set and variables for your selected topic, add the following information to your analysis: Age Data Option Checkup:

Mean 61.81666667

Median 61.5

Mode 69

Standard Deviation 8.924337

Range 41

Midrange 55.5

Sample Size 60

2. Perform the hypothesis test. Critical Value method.

• 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.

• 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?

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.