Chapter 24, Problem 24E

(a)

To determine

To explain what will you say about the output.

Explanation of Solution

It is given that:

  $c=95\%$

  $(-1.578,-0.602)$

Thus, if at the meeting of the marketing staff, we have to explain what the output means we will say that we are $95\%$ confident that the mean number of brand names remembered between the groups watching violent shows is between $0.602\text{ and }1.578$ lower than the mean number of brand names remembered between the groups watching neutral shows.

(b)

To determine

To explain what advice would you give the company about the upcoming ad campaign.

Explanation of Solution

In this question, the advice we will give to the company about the upcoming ad campaign is that as in part (a), we concluded that the subjects appeared to be more likely to remember brand names when they were watching neutral shows and thus it would be wisest to invest in an ad during a neutral TV show.