Answer:
Population of interest= Adults
Population parameter: Adults who thinks drinking and driving is a serious problem
Sampling frame: Those that patronize the bar
Sampling method: systematic Random sample.
Step-by-step explanation:
The population at Large for which the study group fall under are the adults while the parameters that is to be measured in this population is the proportion of people who thinks that drinking and driving is a serious problem. The sampling frame used for easy sighting of respondent was to go to bars and speak with those coming out for bars while the sampling method used is to speak with every 7th person which is a systematic Random sampling.