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Use a t-test to investigate the claim and assume that the population is normally distributed:

A large university says the mean number of classroom hours per week for full-time faculty is more than 9. A random sample of the number of classroom hours for full-time faculty for one week is listed. At ? = 0.05, test the university's claim.

10.7 9.8 11.6 9.7 7.6 11.3 14.1 8.1

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