Question 17
\( 1.75 \mathrm{pts} \)
People attending a professional football game average 13.56 years of formal education. A sample taken from the local community shows they average 12.15 years of formal education. We conduct a T test at the 0.05 level of significance. We find that the difference is significant. What can we conclude?
that an average difference of 1.41 years is not enough to be significant.
that we should fail to reject the null hypothesis
that help is needed in order to set the critical value for the test
that people attending the football game have, on average, significantly more years of formal education than the local community
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