Between
Subjects t-test
calculator
formulas

Step 1: Enter Data Into Columns x and y
(Must Click on Buttons Below in order for calculator to work)

x
(x-Mx)2
 y (y-My)2
Sx = S(x-Mx)2= Sy = S(y-My)2
Mx = Sx2 = My = Sy2 =
   




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8
+

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8





+







t =

t signficance/probability table


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