Which of the following is the numerator of the test statistic for the related-samples t test?
A. the sum of the difference scores for each participant
B. the value of the test statistic plus the degrees of freedom
C. the mean difference observed minus the mean difference stated in a null hypothesis
D. estimated standard error for difference scores
Ans: C
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Indicate whether the statement is true or false
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Answer the following statement true (T) or false (F)