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
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.
