Prior to testing the patch, each of the patients (n = 7) rated their current level of back pain on a scale from 1 to 10. After wearing the patch for 90 minutes, a second pain rating is recorded. The data in this repeated-measures design are as follows: Pain Pain D scores D2 SS variance of D=s' Before After df 7 2 ED 3 4 SMD n 4 5 2 3 t = Mp / SMR. 4 2 1 27.What is your t-statistic? Calculate it with the information given.

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