The city council plans to conduct a survey to determine which of four proposed locations for a new library branch would be most accessible for the city's 110,000 residents. Of the following sampling methods, which is most likely to yield results that best represent all the residents' preferences? A) Conducting an in-person survey of 1,000 people at the library branch that is already open B) Conducting a phone survey of the households that are closest to the four locations until 1,000 responses are received C) Conducting a mail survey of a total of 1,000 households randomly selected from within the city limits D) Conducting an online survey on one local television station's website

Identify the sampling techniques used in each scenario. c. In order to choose the winners of free tickets to the campus concert, student housing printed out all 60 pages of student ID and then chose three of the pages randomly.

The city of Cleansburg has 8126 registered voters. There is an election for Mayor of Cleansburg, and there are three candidates for the position: Smith, Jones, and Brown. The day before the election a telephone poll of 517 randomly chosen registered voters produced the following results: 229 people surveyed indicated that they would vote for Smith, 175 indicated that they would vote for Jones, and 113 indicated that they would vote for Brown. a) Give the sampling proportion for this survey. Round the answer to two decimal places. % b) Give the sample statistic estimating the percentage of the vote going to Smith. Round the answer to two decimal places. %

Which one of the sampling methods listed in the response options is used in the scenario below? A university researcher is interested in studying newly admitted community college transfer students. She begins by dividing the students into two subpopulations: US citizens and international students. The researcher then randomly samples from each separate subpopulation to ensure that the final combined sample represents the same percentage of US citizens and international students seen in the general community college transfer population.   A. Cluster B. Convenience C. Stratified D. Systematic