Compare the 2 calculations above by means of a diagram
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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Topic Video
Question
3.1.1)Given
X=14.5%
SD=3.4%
N=25
90% CI for population mean is
- X.where Z=1.645 at 905 confidence
=14.5±1.645
=14.5±1.12
=(13.38%,15.62%)
We are 90% confident that the actual mean dividend yield lies between 13.38% and 15.62%.
3.1.2)
95% CI is
X±Z where Z
=14.5±1.96.
=14.5±1.33
=(13.17%,15.83%) is the 95% Confidence interval
Compare the 2 calculations above by means of a diagram
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