A study examined whether the content of TV shows influenced the ability of viewers to recall brand names in commercials. The researchers randomly assigned volunteers to watch one of three programs, each containing the same eleven commercials. The shows were either violent, sexual, or neutral. Afterwards, the subjects were asked to recall the brands of the advertised products. Results are in the accompanying table. Use the table to complete parts a) and b) below. Click the icon to view the data table. a) Is there a significant difference in viewers' abilities to remember brands advertised in shows with violent vs. neutral content? (Assume a significance level of 0.05.) State the null and alternative hypotheses. Choose the correct answer below. Data Table YA. HO: HV - HN = 0 HA : HV - HN # 0 O C. Ho: HV - HN #0 HA : HV - HN= 0 Program Type Violent Sexual Neutral Determine the t-statistic. No. of subjects 102 98 100 Mean 2.62 3.22 4.48 SD 1.46 1.93 1.59 (Round to two decimal places as needed.) Print Done