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In Testing for Differences Between the Means of Two Independent H0:μ1−μ2=2H _ { 0 } : \mu _ { 1 } - \mu _ { 2 } = 2

Question 155

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In testing for differences between the means of two independent populations, the null hypothesis is: a) H0:μ1−μ2=2H _ { 0 } : \mu _ { 1 } - \mu _ { 2 } = 2 .
b) H0:μ1−μ2=0H _ { 0 } : \mu _ { 1 } - \mu _ { 2 } = 0 .
c) H0:μ1−μ2>0H _ { 0 } : \mu _ { 1 } - \mu _ { 2 } > 0 .
d) H0:μ1−μ2<2H _ { 0 } : \mu _ { 1 } - \mu _ { 2 } < 2 .

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