Answer A2, A3, and A4: A. The mean serum-creatinine level measured in 12 patients 24 hours after they received a newly proposed antibiotic was 1.2 mg/dL. If the mean and standard deviation of serum creatinine in the general population are 1.0 and 0.4 mg/dL, respectively, then, using significance level of .05, test whether the mean serum-creatinine level in this group is different from that of the general population. Suppose the sample standard deviation of serum creatinine in A1 is 0.6 mg/dL. Assume that the standard deviation of serum creatinine is not known. Perform a hypothesis test in A1. Compute a two-sided 95% CI for the true mean serum-creatinine level in A2. How does your answer to A2 relate to your answer to A3?
Answer A2, A3, and A4: A. The mean serum-creatinine level measured in 12 patients 24 hours after they received a newly proposed antibiotic was 1.2 mg/dL. If the mean and standard deviation of serum creatinine in the general population are 1.0 and 0.4 mg/dL, respectively, then, using significance level of .05, test whether the mean serum-creatinine level in this group is different from that of the general population. Suppose the sample standard deviation of serum creatinine in A1 is 0.6 mg/dL. Assume that the standard deviation of serum creatinine is not known. Perform a hypothesis test in A1. Compute a two-sided 95% CI for the true mean serum-creatinine level in A2. How does your answer to A2 relate to your answer to A3?
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Answer A2, A3, and A4:
A. The
-
- If the mean and standard deviation of serum creatinine in the general population are 1.0 and 0.4 mg/dL, respectively, then, using significance level of .05, test whether the mean serum-creatinine level in this group is different from that of the general population.
- Suppose the sample standard deviation of serum creatinine in A1 is 0.6 mg/dL. Assume that the standard deviation of serum creatinine is not known. Perform a hypothesis test in A1.
- Compute a two-sided 95% CI for the true mean serum-creatinine level in A2.
- How does your answer to A2 relate to your answer to A3?
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