MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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Assume that matched pairs of data from a poll of Internet users who were asked if they make travel plans through the Internet result in
373
positive​ signs,
333
negative​ signs, and
22
ties when the value of the second variable is subtracted from the corresponding value of the first variable. Use the sign test with a
0.10
significance level to test the null hypothesis of no difference.
 
 
 

Question content area bottom

Part 1
Let
η1
denote the median of the first variable and
η2
denote the median of the second variable. What are the null and alternative​ hypotheses?
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