Do ESL students score lower in English college placement tests than the national average? A researcher obtained the English placement test scores of a random sample of 53 ESL students. He finds that the mean score of these 53 students is 147.9. Is this significantly different from the national average (u = 150, o = 15)? Write a brief interpretation of the results (outcome). Be sure to write ALL the necessary values in APA format to support your results. Edit View Insert Format Tools Table 12pt v Paragraph B I U A & Ty