Assuming that the difference between two independent sample means is 6.24, and S2difference = 27, what is the calculated t score?
A) (6.24 + 2) / 27 = 0.31
B) (6.24 + 2) / ?27 = 8.24 / 5.20 = 1.58
C) 6.24 / 27 = 0.23
D) 6.24 / ?27 = 6.24 / 5.20 = 1.20
D
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