Question
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
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.
Freshmen | 83 |
Sophomores | 68 |
Juniors | 85 |
Seniors | 64 |
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. The hypothesis is to be tested at the 5% level of significance. The critical value from the table equals
Select one:
A.1.645
B.1.96
C.2.75
D.7.815
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