2An advertising executive hypothesized the use of clay puppets in a TV ad would be rated as more int

2An 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

T=

One or two tailed test?

T critical value=

Ho=

H1=