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Fill in the blank below. A researcher wants to show the mean from population 1 i

ID: 3230894 • Letter: F

Question

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_i, and me observations from sample 2 are Y_i. and d_i - X_i - Y_i. then the null hypothesis is H_0: mu_d = 0 and the alternative hypothesis is H_1: mu_d __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_i and the observations from sample 2 are Y_i. and d_i = X_i - Y_i. then the null hypothesis is H_0: mu_d = 0 and the alternative hypothesis is H_1: mu_u 0.

Explanation / Answer

Since the alternative hypothesis states that the mean from population 1 is less than the mean from population two, then d should be < 0

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