3. (10 points) Locate the (NELS:88) school level dataset provided on Canvas (Under "Course Datasets" (nelschl.sav) and download to your local computer for use. Spend a few minutes getting to know the dataset and the variables. You are interested in seeing whether or not schools in this study experienced a significant change in their reading/math composite score from the base-year (bytxcomp) to the second year (flixcomp). Conduct a paired samples t-test on the differences between base year reading/math achievement composite score and the second year scores for this sample of schools. What do you find? Attach all relevant output, including your investigation of assumptions of the test and the test itself. Summarize your findings in 2-3 paragraphs. Be sure to include discussions of the test statistics, p-values, and differences among groups