Question: For Chapter 12 Data Set 2, compute the t value manually and write a conclusion as to whether there was a change in tons of

For Chapter 12 Data Set 2, compute the t value manually 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 different districts. (Hint: Before and after become the two levels of treatment.) Test the hypothesis at the .01 level.

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