Suppose that between their first and second years in college, 400 students are randomly selected and given a university grant to purchase a new computer. For student 'i,' y 1 denotes the change in GPA from the first year to the second year. If the average change is ¯ y = .132 with a standard deviation of s = 1.27, is the average change in GPAs statistically greater than zero?

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It can the reader to have a broader understanding of the point or main idea of a passage/essay. if you use words with similar meanings throughout a written work, it can show the reader that the words reflect the key idea of a passage. this can really you to understand what is going on, and reflect on some key ideas and phrases that were mentioned in said written work.i hope this !