A. Construct a 95% confidence interval for the difference in average verbal scores of students majoring in engineering and of those majoring in language literature b. Interpret the result obtained in part (a).
c. What assumption(s) are necessary for the method used in part (a) to be valid?
Do SAT scores for high school students differ depending on the students' intended field of study? Fifteen students who intended to major in engineering were compared with 15 students who intended to major in language and literature. Given in the accompanying table are the means and standard deviations of the scores on the verbal and mathematics portion of the SAT for the two groups of students:
Verbal Math
Engineenng У-534 s-45
Language/literature У-517 s.52