A study examined whether the content of TV shows influenced the ability of viewers to recall brand names of items featured in the commercials. Analysts recorded the number of advertised brand names a group of people recalled immediately after watching TV shows and then that same group of people recalled 24 hours later. Strangely enough, it appears that they remembered more about the ads the next day. Should we conclude this is true in general about people's memory of TV ads? Complete parts a through d.
a) Suppose one analyst conducts a two-sample hypothesis test to see if memory of brands advertised during violent TV shows is higher 24 hours later. The P-value is 0.0013. What might she conclude?