Fill in the blank below. A researcher wants to show the mean from population 1 is less than the mean from population 2 in matched-pairs data. If the observations from sample 1 are X; and the...

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Extracted text: Fill in the blank below. A researcher wants to show the mean from population 1 is less than the mean from population 2 in matched-pairs data. If the observations from sample 1 are X; and the observations from sample 2 are Yj, and d; = X; - Yj, then the null hypothesis is Ho: Ha = 0 and the alternative hypothesis is H,: H 0. .... A researcher wants to show the mean from population 1 is less than the mean from population 2 in matched-pairs data. If the observations from sample 1 are X; and the observations from sample 2 are Y;, and d; = X; - Yi, then the null hypothesis is Ho: Hg = 0 and the alternative hypothesis is H,: Ha <>