Exhibit 12-2
Last school year, the student body of a local university consisted of 30% freshmen, 24% sophomores, 26% juniors, and 20% seniors. A sample of 300 students taken from this year's student body showed the following number of students in each classification. We are interested in determining whether or not there has been a significant change in the classifications between the last school year and this school year.
-Refer to Exhibit 12-2. The p-value is
A)less than .005
B)between .025 and 0.05
C)between .05 and 0.1
D)greater than 0.1

Question

Exhibit 12-2
Last school year, the student body of a local university consisted of 30% freshmen, 24% sophomores, 26% juniors, and 20% seniors. A sample of 300 students taken from this year's student body showed the following number of students in each classification.  We are interested in determining whether or not there has been a significant change in the classifications between the last school year and this school year.
-Refer to Exhibit 12-2. The p-value is
A)less than .005 
B)between .025 and 0.05 
C)between .05 and 0.1 
D)greater than 0.1

Quizplus · Accepted Answer

The p-value is greater than 0.1, indicating that the evidence against the null hypothesis is weak, and we fail to reject it.

Exhibit 12-2 Last School Year, the Student Body of a Local University