As confidence increases, a confidence interval would. get narrower get wider )shift lower (both bounds) )shift higher (both bounds)
As confidence increases, a confidence interval would. get narrower get wider )shift lower (both bounds) )shift higher (both bounds)
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:As confidence increases, a confidence interval would.
get narrower
O get wider
O shift lower (both bounds)
shift higher (both bounds)
I conducted a trial study and found I had my power was 71%. What could I
do to increase the statistical power of a test for the full study?
switch to a non-parametric test for normally distributed data
O decrease my alpha value
O change the experimental design to permit an independent sample test,
rather than a paired test
increase the sample size for a future trial
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