= Quiz: M9-Ch14 Quiz Question 4 This Quiz: 10 pts possible Submit Quiz The scores on a standardized test for 323 students in nontraditional math classes were compared to the scores of 267 students in traditional math classes. Computer software was used to create a confidence interval for the difference in mean scores. Complete parts a through d. Conf level: 95% Variable: H(Non Trad) - u(Trad) Interval: ( - 1.585, 4.385) a) What is the margin of error (ME) for this confidence interval? ME = (Type an integer or decimal rounded to three decimal places as needed.) b) If a 99% confidence interval is created, would the margin of error be larger or smaller? Explain. Larger because the critical value Increase Increase Increase The margin of error would be as the critical value Smaller as the confidence level increases, and the margin of error decrease decrease decrease c) Explain what the calculated interval means in this context. O A. With 95% confidence, a student in a traditional math class is expected to score between 1.585 points lower and 4.385 points higher on the standardized test than a student in a nontraditional math class. O B. With 95% confidence, students in nontraditional math classes will score, on average, between 1.585 points lower and 4.385 points higher on the standardized test than students in traditional math classes. O C. With 95% confidence, students in traditional math classes will score, on average, between 1.585 points lower and 4.385 points higher on the standardized test than students in nontraditional math classes. O D. With 95% confidence, a student in a nontraditional math class is expected to score between 1.585 points lower and 4.385 points higher on the standardized test than a student in a traditional math class. d) Does this result suggest that students who learn mathematics with nontraditional methods will have significantly higher mean scores on standardized tests than those in traditional classes? Explain. Because zero, there is evidence to conclude that students who learn mathematics with nontraditional methods will have higher mean scores on standardized tests than those in traditional classes. Yes The entire interval is above Insufficient No The interval contains Strong StatCrunch Tech Help Time Remaining: 01:28:06 Next