A nursing home manager claims that the average number of infections per week at the hospital is 20.3. A nurse suspects that this number is higher. A random sample of twelve weeks had a mean number of 23.5 infections. The sample standard deviation is 3.3. If we accept that the assumptions have been satisfied, is there enough evidence to reject the nurses claim at α = 0.05? A) State the null and alternative hypotheses, indicating one-tail or two-tail. B) Calculate the t-statistic C) Identify the critical t-value. D) State a conclusion about the null hypothesis and a final conclusion that addresses the original claim.
A nursing home manager claims that the average number of infections per week at the hospital is 20.3. A nurse suspects that this number is higher. A random sample of twelve weeks had a mean number of 23.5 infections. The sample standard deviation is 3.3. If we accept that the assumptions have been satisfied, is there enough evidence to reject the nurses claim at α = 0.05? A) State the null and alternative hypotheses, indicating one-tail or two-tail. B) Calculate the t-statistic C) Identify the critical t-value. D) State a conclusion about the null hypothesis and a final conclusion that addresses the original claim.
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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A nursing home manager claims that the average number of infections per week at the hospital is 20.3. A nurse suspects that this number is higher. A random sample of twelve weeks had a mean number of 23.5 infections. The sample standard deviation is 3.3. If we accept that the assumptions have been satisfied, is there enough evidence to reject the nurses claim at α = 0.05?
A) State the null and alternative hypotheses, indicating one-tail or two-tail.
B) Calculate the t-statistic
C) Identify the critical t-value.
D) State a conclusion about the null hypothesis and a final conclusion that addresses the original claim.
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