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MY NOTES Renal Disease ASK YOUR TEACHER The mean serum-creatinine level measured in 15 patients 24 hours after they received a newly proposed antibiotic was 1.1 mg/dL. Ho: You can use SALT, to answer parts of this question. (a) If the mean and standard deviation of serum creatinine in the general population are 1.0 and 0.4 mg/dL, respectively, then, using a significance level of 0.05, test whether the mean serum-creatinine level in this group is different from that of the general population. State the null and alternative hypotheses (in mg/dL). (Enter != for # as needed.) H₁: PRACTICE ANOTHER H=1.0 U>1.0 X X X Find the test statistic. (Round your answer to two decimal places.) 0.97 ✔ Find the rejection region. (Round your answers to two decimal places. If the test is one-sided, enter NONE for the unused region.) test statistic > 0.05 test statistic < NONE State your conclusion. O Fail to reject Ho. There is sufficient evidence to conclude that the mean serum-creatinine level in this particular group of patients is different from that of the general population. Fail to reject Ho. There is insufficient evidence to conclude that the mean serum-creatinine level in this particular group of patients is different from that of the general population. O Reject Ho. There is sufficient evidence to conclude that the mean serum-creatinine level in this particular group of patients is different from that of the general population. O Reject Ho. There is insufficient evidence to conclude that the mean serum-creatinine level in this particular group of patients is different from that of the general population. (b) What is the p-value for the test? (Use technology to find the p-value. Round your answer to four decimal places.)

MY NOTES Renal Disease ASK YOUR TEACHER The mean serum-creatinine level measured in 15 patients 24 hours after they received a newly proposed antibiotic was 1.1 mg/dL. Ho: You can use SALT, to answer parts of this question. (a) If the mean and standard deviation of serum creatinine in the general population are 1.0 and 0.4 mg/dL, respectively, then, using a significance level of 0.05, test whether the mean serum-creatinine level in this group is different from that of the general population. State the null and alternative hypotheses (in mg/dL). (Enter != for # as needed.) H₁: PRACTICE ANOTHER H=1.0 U>1.0 X X X Find the test statistic. (Round your answer to two decimal places.) 0.97 ✔ Find the rejection region. (Round your answers to two decimal places. If the test is one-sided, enter NONE for the unused region.) test statistic > 0.05 test statistic < NONE State your conclusion. O Fail to reject Ho. There is sufficient evidence to conclude that the mean serum-creatinine level in this particular group of patients is different from that of the general population. Fail to reject Ho. There is insufficient evidence to conclude that the mean serum-creatinine level in this particular group of patients is different from that of the general population. O Reject Ho. There is sufficient evidence to conclude that the mean serum-creatinine level in this particular group of patients is different from that of the general population. O Reject Ho. There is insufficient evidence to conclude that the mean serum-creatinine level in this particular group of patients is different from that of the general population. (b) What is the p-value for the test? (Use technology to find the p-value. Round your answer to four decimal places.)

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section: Chapter Questions
Problem 22SGR
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4. MY NOTES Renal Disease Please help correct the X's. Please explain. Ho: H₁: DETAILS PREVIOUS ANSWERS ROSBIOSTAT8 7.E.001-005.S. ASK YOUR TEACHER The mean serum-creatinine level measured in 15 patients 24 hours after they received a newly proposed antibiotic was 1.1 mg/dL. You can use SALT to answer parts of this question. (a) If the mean and standard deviation of serum creatinine in the general population are 1.0 and 0.4 mg/dL, respectively, then, using a significance level of 0.05, test whether the mean serum-creatinine level in this group is different from that of the general population. State the null and alternative hypotheses (in mg/dL). (Enter != for # as needed.) H=1.0 PRACTICE ANOTHER H>1.0 Find the test statistic. (Round your answer to two decimal places.) 0.97 Find the rejection region. (Round your answers to two decimal places. If the test is one-sided, enter NONE for the unused region.) test statistic > 0.05 test statistic < NONE State your conclusion. Fail to reject Ho. There is sufficient evidence to conclude that the mean serum-creatinine level in this particular group of patients is different from that of the general population. Fail to reject Ho. There is insufficient evidence to conclude that the mean serum-creatinine level in this particular group of patients is different from that of the general population. Reject Ho. There is sufficient evidence to conclude that the mean serum-creatinine level in this particular group of patients is different from that of the general population. Reject Ho. There is insufficient evidence to conclude that the mean serum-creatinine level in this particular group of patients is different from that of the general population. (b) What is the p-value for the test? (Use technology to find the p-value. Round your answer to four decimal places.)
Transcribed Image Text:4. MY NOTES Renal Disease Please help correct the X's. Please explain. Ho: H₁: DETAILS PREVIOUS ANSWERS ROSBIOSTAT8 7.E.001-005.S. ASK YOUR TEACHER The mean serum-creatinine level measured in 15 patients 24 hours after they received a newly proposed antibiotic was 1.1 mg/dL. You can use SALT to answer parts of this question. (a) If the mean and standard deviation of serum creatinine in the general population are 1.0 and 0.4 mg/dL, respectively, then, using a significance level of 0.05, test whether the mean serum-creatinine level in this group is different from that of the general population. State the null and alternative hypotheses (in mg/dL). (Enter != for # as needed.) H=1.0 PRACTICE ANOTHER H>1.0 Find the test statistic. (Round your answer to two decimal places.) 0.97 Find the rejection region. (Round your answers to two decimal places. If the test is one-sided, enter NONE for the unused region.) test statistic > 0.05 test statistic < NONE State your conclusion. Fail to reject Ho. There is sufficient evidence to conclude that the mean serum-creatinine level in this particular group of patients is different from that of the general population. Fail to reject Ho. There is insufficient evidence to conclude that the mean serum-creatinine level in this particular group of patients is different from that of the general population. Reject Ho. There is sufficient evidence to conclude that the mean serum-creatinine level in this particular group of patients is different from that of the general population. Reject Ho. There is insufficient evidence to conclude that the mean serum-creatinine level in this particular group of patients is different from that of the general population. (b) What is the p-value for the test? (Use technology to find the p-value. Round your answer to four decimal places.)
p-value = 0.1747 (c) Suppose the sample standard deviation of serum creatinine in part (a) is 0.7 mg/dL. Assume that the standard deviation of serum creatinine is not known, and perform the hypothesis test in part (a). Report a p-value. Find the test statistic. (Round your answer to two decimal places.) 0.55 Use technology to report a p-value. (Round your answer to four decimal places.) p-value 10.2944 You may have computed the probability of one tail of the distribution. Consider which area of the distribution is appropriate. State your conclusion. Fail to reject Ho. There is sufficient evidence to conclude that the mean serum-creatinine level in this particular group of patients is different from that of the general population. Fail to reject Ho. There is insufficient evidence to conclude that the mean serum-creatinine level in this particular group of patients is different from that of the general population. Reject Ho. There is sufficient evidence to conclude that the mean serum-creatinine level in this particular group of patients is different from that of the general population. Reject Ho. There is insufficient evidence to conclude that the mean serum-creatinine level in this particular group of patients is different from that of the general population. (d) Compute a two-sided 95% CI for the true mean serum-creatinine level (in mg/dL) in part (c). (Enter your answer using interval notation. Round your numerical values to two decimal places.) mg/dL (0.71, 1.49) (e) How does your answer to part (d) relate to your answer to part (c). The interval contains the conclusion of our test in part (c). Need Help? Read It the mean for the general population This supports
Transcribed Image Text:p-value = 0.1747 (c) Suppose the sample standard deviation of serum creatinine in part (a) is 0.7 mg/dL. Assume that the standard deviation of serum creatinine is not known, and perform the hypothesis test in part (a). Report a p-value. Find the test statistic. (Round your answer to two decimal places.) 0.55 Use technology to report a p-value. (Round your answer to four decimal places.) p-value 10.2944 You may have computed the probability of one tail of the distribution. Consider which area of the distribution is appropriate. State your conclusion. Fail to reject Ho. There is sufficient evidence to conclude that the mean serum-creatinine level in this particular group of patients is different from that of the general population. Fail to reject Ho. There is insufficient evidence to conclude that the mean serum-creatinine level in this particular group of patients is different from that of the general population. Reject Ho. There is sufficient evidence to conclude that the mean serum-creatinine level in this particular group of patients is different from that of the general population. Reject Ho. There is insufficient evidence to conclude that the mean serum-creatinine level in this particular group of patients is different from that of the general population. (d) Compute a two-sided 95% CI for the true mean serum-creatinine level (in mg/dL) in part (c). (Enter your answer using interval notation. Round your numerical values to two decimal places.) mg/dL (0.71, 1.49) (e) How does your answer to part (d) relate to your answer to part (c). The interval contains the conclusion of our test in part (c). Need Help? Read It the mean for the general population This supports
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