a An opinion poll contacts 1743 adults and asks them Which

Last updated: 9/20/2023

a An opinion poll contacts 1743 adults and asks them Which political party do you think has better ideas for leading the country in the 21st century In all 689 of the 1743 say The Democrats The sample in this setting is O A the 1743 people interviewed B the 689 people who chose the Democrats C all 235 million adults in the United States D None of the above b Archaeologists plan to examine a sample of 3 meter square plots near an ancient Greek city for artifacts visible in the ground They choose separate samples of plots from floodplain coast foothills and high hills What kind of sample is this A A Simple random sample B A voluntary response sample C A stratified random sample D None of the above c A committee on community relations in a college town plans to survey local businesses about the importance of students as customers From telephone book listings the committee chooses 268 businesses at random Of these 64 return the questionnaire mailed by the committee The population for this study is O A the 268 businesses chosen B the 64 businesses that returned the questionnaire C all businesses in the college town D None of the above