The options for these choices are: -1.65 , 53 , -1.02 , 2.06

Question 14 6 pts 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)? Using a = .05, match the correct answers to each value N [ Choose ] Zobserved [ Choose ] Zcv [ Choose ] Standard error of the mean [ Choose ] Previous Next >