When spending large amounts to purchase advertising time, compies want to know what audience they'll reach. A poll asked randomly selected American adults whether they planned to watch the upcoming football championship game. Men and women were asked separately whether they were looking forward more to the football game or to watching the commercials. Among the men who planned on watching, 70% were watching for the game. Among women, 60% were looking forward primarily to the game. a) Was this a stratified sample or a blocked experiment? Explain. -) Was the design of the study appropriate for the advertisers' questions? a) Was this a stratified sample or a blocked experiment? Explain A. This was a stratified sample because no treatment was applied, so the poll was not an experiment B. This was a blocked experiment because the individuals were grouped into two blocks (men and women) OC. This was a blocked experiment because the individuals were grouped into two blocks (American adults who were looking forward more to the football game and those that were looking forward more to watching the commercials) OD. This was a stratified sample because there were two strata (American adults who planned on watching the game and those who were not) O E. This was a blocked experiment because the individuals were grouped into two blocks (American adults who planned on watching the game and those who were not). OF. This was a blocked experiment because the goal of the poll was to estimate proportions for the populations of males and females, not the actual samples O G. This was a stratified sample because there were two strata (American adults who were looking forward more to the football game and those that were looking forward more to watching the commercials) b) Was the design of the study appropriate for the advertisers' questions? O A. No, because the individuals in the study were randomly selected instead of being divided into groups of men and women and then being randomly selected using representative proportions B. No, because the poll was conducted on a sample, so the results cannot be applied to the entire population. OC. Yes, because the results of the study will give a fairly accurate result regarding proportions of men and women who were looking forward more to watching the commercials OD. No, because the poll was not an experiment