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What is the correct null hypothesis? Ho: mu2004-mu2000 = 0 Ho: mu2004-mu2000 < 0 Ho: mu2000-mu2004 > 0 Ho: mu2004-mu2000 does not equal 0

What is the correct null hypothesis? Ho: mu2004-mu2000 = 0 Ho: mu2004-mu2000 < 0 Ho: mu2000-mu2004 > 0 Ho: mu2004-mu2000 does not equal 0

MATLAB: An Introduction with Applications
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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What is the correct null hypothesis? Ho: mu2004-mu2000 = 0 Ho: mu2004-mu2000 < 0 Ho: mu2000-mu2004 > 0 Ho: mu2004-mu2000 does not equal 0
Transcribed Image Text:What is the correct null hypothesis? Ho: mu2004-mu2000 = 0 Ho: mu2004-mu2000 < 0 Ho: mu2000-mu2004 > 0 Ho: mu2004-mu2000 does not equal 0
An Analyst wants to know if there was a significant difference in the average of hours worked in a week from 2000 (Group 1) to 2004 (Group 2). He gathers all the data from the General Social Survey, and lists the following summary statistics from the sampling. Year Mean Std. Dev Unweighted n 2000 38.95 12.22 54 2004 38.34 16.32 65
Transcribed Image Text:An Analyst wants to know if there was a significant difference in the average of hours worked in a week from 2000 (Group 1) to 2004 (Group 2). He gathers all the data from the General Social Survey, and lists the following summary statistics from the sampling. Year Mean Std. Dev Unweighted n 2000 38.95 12.22 54 2004 38.34 16.32 65
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