number of degrees of freedom that should be used for finding the critical value tα/2​? b. Find the critical value tα/2 corresponding to a 95​% confidence level. c. Give a brief description of the number of degrees of freedom. TInterval (13.024,13.580) x=13.302 Sx=

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Refer to the technology output given to the right that results from measured hemoglobin levels​ (g/dL) in
100
randomly selected adult females. The confidence level of
95​%
was used.
 
a. What is the number of degrees of freedom that should be used for finding the critical value
tα/2​?
b. Find the critical value
tα/2
corresponding to a
95​%
confidence level.
c. Give a brief description of the number of degrees of freedom.
TInterval
(13.024,13.580)
x=13.302
Sx=1.401
n=100
 
 
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