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 3a is 0.6 mg/dL. Assume that the standard deviation of serum creatinine is not known. Perform a hypothesis test in 3a. Compute a two-sided 95% CI for the true mean serum-creatinine level in 3b.
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 3a is 0.6 mg/dL. Assume that the standard deviation of serum creatinine is not known. Perform a hypothesis test in 3a. Compute a two-sided 95% CI for the true mean serum-creatinine level in 3b.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 7PPS
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The mean serum-creatinine level measured in 12 patients 24 hours after they received a newly proposed antibiotic was 1.2 mg/dL.
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- 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 3a is 0.6 mg/dL. Assume that the standard deviation of serum creatinine is not known. Perform a hypothesis test in 3a.
- Compute a two-sided 95% CI for the true mean serum-creatinine level in 3b.
- How does your answer to 3b relate to your answer to 3c?
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