You have been discussing a research project with your friend Jerri. Jerri has told you that her research hypothesis states, the mean of population 1 is less than the mean of population 2. How would you write this research hypothesis in symbols?
a. H1 ?1 < ?2
b. H0 ?1 < ?2
c. H1 ?1 ? ?2
d. H0 ?1 = ?2
A
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Answer:
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