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Hypothesis Testing

A University employment office wants to compare the time taken by graduates with 3 different majors to find their first jobs after graduation. The following tables lists the time (in days) taken to find their first full time job after graduation for a random sample of 8 business majors, 7 computer science majors & 6 engineering majors who graduated in May 2005.

Business Computer Engineering
Science
36 56 26
62 13 51
35 24 63
80 28 46
27 47 78
48 44 34
76 20
44

At the 5% significance level, can you conclude that the mean time taken to find their first job for all 2005 graduates in these fields is the same?

Solution Preview

Please refer attached files for better clarity of tables.

Anova: Single Factor

SUMMARY
Groups Count Sum Average Variance
Business 8 408 51 386
Computer 7 232 33.14285714 253.4761905
Engineering 6 298 ...

Solution Summary

Solution determines if the mean time taken to find their first job for all in the given fields is the same.

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