25 female patients were randomly selected, and their Hb of blood were tested. The mean of Hb is 150g/L, and the standard deviation is 16.5g/L. Do these data provide sufficient evidence to indicate that the mean of Hb of all of patients who suffer from the same disease is different from the mean of Hb of normal female (The mean of Hb of normal female is 132g/L). ( ) 3. Which statistical test should be used in this example? A. Two independent samples ttest. B. Paired t-test. C. One sample ttest D. McNemar test. ( 0 4. Which is the alternative hypothesis of this example? C. Og=0 ) 5. The formula of df (degree of freedom) is: A. 0,=132 B. 0,#132 D. Od#0 A. n-1 B. n-2 C. n1+n2-1 D. n1+n2-2
25 female patients were randomly selected, and their Hb of blood were tested. The mean of Hb is 150g/L, and the standard deviation is 16.5g/L. Do these data provide sufficient evidence to indicate that the mean of Hb of all of patients who suffer from the same disease is different from the mean of Hb of normal female (The mean of Hb of normal female is 132g/L). ( ) 3. Which statistical test should be used in this example? A. Two independent samples ttest. B. Paired t-test. C. One sample ttest D. McNemar test. ( 0 4. Which is the alternative hypothesis of this example? C. Og=0 ) 5. The formula of df (degree of freedom) is: A. 0,=132 B. 0,#132 D. Od#0 A. n-1 B. n-2 C. n1+n2-1 D. n1+n2-2
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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Transcribed Image Text:25 female patients were randomly selected, and their Hb of blood were tested. The mean
of Hb is 150g/L, and the standard deviation is 16.5g/L. Do these data provide
sufficient evidence to indicate that the mean of Hb of all of patients who suffer from
the same disease is different from the mean of Hb of normal female (The mean of Hb
of normal female is 132g/L).
( ) 3. Which statistical test should be used in this example?
A. Two independent samples ttest.
B. Paired ttest.
C. One sample ttest
D. McNemar test.
( 0 4. Which is the alternative hypothesis of this example?
В. О4132
) 5. The formula of df (degree of freedom) is:
C. n1+n2-1
A. 0;=132
C. Og=0
D. Od#0
A. n-1
B. n-2
D. n1+n2-2
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