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When Testing for the Significance of the Difference Between Two $\bar { X } _ { 1 }$

Question 42

Multiple Choice

When testing for the significance of the difference between two sample means,the null hypothesis can be stated as

A) $\bar { X } _ { 1 }$ = $\bar { X } _ { 2 }$
B) m > 0
C) m = m
D) s = s

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