hypothesis and comment on the value of the commercial. State the null and alternative hypotheses. (Use
\mu _(d)=
mean rating after - mean rating before.) Calculate the value of the test statistic. (Round your answer to three decimal places.) Calculate the
p
-value. (Round your answer to four decimal places.)
p
-value
=
State your conclusion. Do not Reject
H_(0)
. There is sufficient evidence to conclude that seeing the commercial improves the mean potential to purchase. Reject
H_(0)
. There is sufficient evidence to conclude that seeing the commercial improves the mean potential to purchase. Reject
H_(0)
. There is insufficient evidence to conclude that seeing the commercial improves the mean potential to purchase. Do not reject
H_(0)
. There is insufficient evidence to conclude that seeing the commercial improves the mean potential to purchase.