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 90% confidence level. c. Give a brief description of the number of degrees of freedom.
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 90% confidence level. c. Give a brief description of the number of degrees of freedom.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
|
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
90%
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
90%
confidence level.c. Give a brief description of the number of degrees of freedom.
|
TInterval
(12.859,13.277)
x=13.068
Sx=1.256
n=100
|
a. What is the number of degrees of freedom that should be used for finding the critical value
tα/2?
There are
nothing
degrees of freedom.(Type a whole number.)
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