(Answered) An advertising executive hypothesized the use of clay

Statistics

An advertising executive hypothesized the use of clay puppets in a TV ad would be rated as more interesting than humans, by a test audience. She randomly assigned subjects into two test groups. Test her hypothesis at alpha= .05. Here are her findings:

Clay pupped mean= 94, S=3, N=9 . Human actors mean=92, S=4, N=8

One or two tailed test?

T critical value=

Ho=

H1=

Reject or fail to reject Ho?

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