Cerebral blood flow (CBF) in the brains of healthy people is normally distributed with a mean of 73. A random sample of 25 stroke patients resulted in an average CBF of x = 69.9 with a standard deviation of s = 12. Test the hypothesis that the average CBF for strok patients is different from that of healthy people using a = 0.05. State the null and alternative hypotheses. A USE SALT O Ho: H < 73 versus H u= 73 O Ho: u = 73 versus H: H = 73 O Họi u < 73 versus H: u > 73 O Hại H= 73 versus H u< 73 O Ho: H = 73 versus H: u = 73 State the test statistic. (Round your answer to three decimal places.) State the rejection region. (If the test is one-tailed, enter NONE for the unused region. Round your answers to three decimal places.) t> State the conclusion. O H, is not rejected. There is sufficient evidence to conclude that the average CBF for stroke patients is different from 73. O H, is rejected. There is insufficient evidence to conclude that the average CBF for stroke patients is different from 73. O H, is rejected. There is sufficient evidence to conclude that the average CBF for stroke patients is different from 73. O H, is not rejected. There is insufficient evidence to conclude that the average CBF for stroke patients different from 73.
Cerebral blood flow (CBF) in the brains of healthy people is normally distributed with a mean of 73. A random sample of 25 stroke patients resulted in an average CBF of x = 69.9 with a standard deviation of s = 12. Test the hypothesis that the average CBF for strok patients is different from that of healthy people using a = 0.05. State the null and alternative hypotheses. A USE SALT O Ho: H < 73 versus H u= 73 O Ho: u = 73 versus H: H = 73 O Họi u < 73 versus H: u > 73 O Hại H= 73 versus H u< 73 O Ho: H = 73 versus H: u = 73 State the test statistic. (Round your answer to three decimal places.) State the rejection region. (If the test is one-tailed, enter NONE for the unused region. Round your answers to three decimal places.) t> State the conclusion. O H, is not rejected. There is sufficient evidence to conclude that the average CBF for stroke patients is different from 73. O H, is rejected. There is insufficient evidence to conclude that the average CBF for stroke patients is different from 73. O H, is rejected. There is sufficient evidence to conclude that the average CBF for stroke patients is different from 73. O H, is not rejected. There is insufficient evidence to conclude that the average CBF for stroke patients different from 73.
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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