Complete parts a through e. Scroll to see all parts.
?a) Identify the sample and the population for the given problem.
In a? poll, 12,000 parents in a country were asked whether they favor or oppose a controversial new vaccine for children. Among the respondents? 72% said they were in favor.
?b) Determine whether the given value describes a parameter or statistic.
In a study of all 2200 employees at a? hospital, it is found that? 20% ride the bus to work.
?c) Determine whether the data are qualitative or quantitative.
Color of shirt being worn by a student
?d) Indentify the data? set's level of measurement? (i.e. nominal,? ordinal, interval, or? ratio)
The weight? (in pounds) of a group of football players
240 223 185 277 198 215
?e) Identify the sampling technique used in the study.
Law enforcement officials use a radar gun to measure the speed of every seventh car on a road.