Does training in stress reduction make a difference for student success? 15 students received training (M1= 88, SS1= 400) and 15 students did not (M2= 82, SS2= 440). Test using α = .05 t = (test statistic) = Group of answer choices +1.25 +1.75 +3.00 +2.50

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Does training in stress reduction make a difference for student success?  15 students received training (M1= 88, SS1= 400) and 15 students did not (M2= 82, SS2= 440). Test using α = .05  

t =     (test statistic) =

Group of answer choices
+1.25
+1.75
+3.00
+2.50
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