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Question 2 Using the dataset below, compute the t value and write a conclusion as to whether there was a change in tons of paper used as a function of the recycling program in 25 districts. (Hint: Before and after become the two levels of treatment). Test the hypothesis at the .01 level of significance. Before After 20 23 6 8 12 11 34 35 55 57 43 76 54 54 26 35 26 28 31 56 22 35 41 56 34 51 21 33 38 15 27