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D2L Week 6 Test
myclassroom.apus.edu/d2l/le/e...
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Week 6 Test
2:03:13 remaining
Question 12 (1 point)
Two random samples are taken from private and public universities (out-of-state tuition) around
the nation. The yearly tuition is recorded from each sample and the results can be found below.
Test to see if the mean out-of-state tuition for private institutions is statistically significantly
higher than public institutions. Assume unequal variances. Use a 1% level of significance.
Private Institutions (Group 1 Public Institutions (Group
)
2)
43,120
25,469
28,190
19,450
34,490
18,347
20,893
28,560
42,984
32,592
34,750
21,871
44,897
24,120
32,198
27,450
18,432
29,100
22.091
21.970