Exhibit 19-1

Multiple Choice

Exhibit 19-1.A researcher wished to determine if there was a difference in the college aptitude examination scores of traditional and nontraditional undergraduate students.The researcher selected p = .05 as the level for rejecting the null hypothesis.The researcher obtained a mean score of 52 for nontraditional students and a mean score of 40 for the traditional students.Statistical analysis indicated that the difference in means was significant at the .05 level.
-Refer to Exhibit 19-1.What result would be reported?

A) Nontraditional students are better college students.
B) Nontraditional students have higher motivation, and this increases their college skills.
C) Traditional college students are not as experienced, so they have a lower score.
D) Nontraditional college students had a significantly higher score on the college aptitude examination than did traditional college students.