A recent newspaper article claimed that more people read Magazine A than read Magazine B. To test the claim, a study was conducted by a publishing representative in which newsstand operators were selected at random and asked how many of each magazine were sold that day. The representative will conduct a hypothesis test to test whether the mean number of magazines of type A the operators sell, μA, is greater than the mean number of magazines of type B the operators sell, μB. What are the correct null and alternative hypotheses for the test? a) H0:μA−μB=0 Ha:μA−μB>0 b) H0:μA−μB<0 Ha:μA−μB>0 c) H0:μA−μB=0 Ha:μA−μB≠0 d) H0:x¯A−x¯B=0 Ha:x¯A−x¯B>0 e) H0:μB−μA=0 Ha:μB−μA>0
A recent newspaper article claimed that more people read Magazine A than read Magazine B. To test the claim, a study was conducted by a publishing representative in which newsstand operators were selected at random and asked how many of each magazine were sold that day. The representative will conduct a hypothesis test to test whether the mean number of magazines of type A the operators sell, μA, is greater than the mean number of magazines of type B the operators sell, μB. What are the correct null and alternative hypotheses for the test? a) H0:μA−μB=0 Ha:μA−μB>0 b) H0:μA−μB<0 Ha:μA−μB>0 c) H0:μA−μB=0 Ha:μA−μB≠0 d) H0:x¯A−x¯B=0 Ha:x¯A−x¯B>0 e) H0:μB−μA=0 Ha:μB−μA>0
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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A recent newspaper article claimed that more people read Magazine A than read Magazine B. To test the claim, a study was conducted by a publishing representative in which newsstand operators were selected at random and asked how many of each magazine were sold that day. The representative will conduct a hypothesis test to test whether the mean number of magazines of type A the operators sell, μA, is greater than the mean number of magazines of type B the operators sell, μB. What are the correct null and alternative hypotheses for the test?
a) H0:μA−μB=0
Ha:μA−μB>0
b) H0:μA−μB<0
Ha:μA−μB>0
c) H0:μA−μB=0
Ha:μA−μB≠0
d) H0:x¯A−x¯B=0
Ha:x¯A−x¯B>0
e) H0:μB−μA=0
Ha:μB−μA>0
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