Using the following information: identify the population, sample, statistic, and parameter. Political pollsters are often interested in gaining information about the proportion of Americans who will vote for a candidate before the actual election. One group of pollsters conducted a survey of 50,000 people to find out if they planned on voting for Trump in the next presidential election.

A study is conducted to assess the attitude of physicians towards drug screening in the workplace. To collect the information, physicians are invited to respond to an email survey that is distributed on a network accessible to all university affiliated physicians in the city. Which of the following best describes this type of sampling technique? A. Convenience B. Population C. Random D. Referral E. Stratified

City planners plan to survey residents to estimate the proportion of city residents who use public transportation at least once a week. Which of the following methods describes a voluntary response survey? City planners stand outside an office building and survey workers. City planners hand out surveys to parents at a youth soccer game. City planners take a random sample of local homes and survey the residents. City planners email a survey to all residents in the community.

A coach is interested in how many slam dunks the average college freshman at his university can do. Ten volunteers from the senior class step forward. After observing their performance, the coach concluded that college seniors can do an average of 10 slam dunks in a row without missing. what is the sample? what is the population?