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Two methods were used to provide instruction in science for the seventh grade. Method 1 included…

Two methods were used to provide instruction in science for the seventh grade. Method 1 included a lab each week and Method 2 had only classroom work with lecture and worksheets. Table 4.10 shows end-of-course test performance for the two methods. Construct a 95% median confidence interval based on the difference between two independent samples to compare the two methods. Two methods were used to provide instruction in science for the seventh grade. Method 1 included...