Question
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
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 and round answers to 4 decimal places.
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
33,981
21,870
29,498
22,650
31,980
29,143
22,764
25,379
54,190
23,450
37,756
23,871
30,129
28,745
33,980
30,120
47,909
21,190
32,200
21,540
38,120
26,346
Hypotheses:
H0: 1= 2
H1: 1>2
Identify the test statistic. Round to 4 decimal places.
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