Question

l) Identify which type of sampling is used. A pollster uses a computer to generate 500 random I numbers, then interviews the voters corresponding to those numbers. A) Convenience B) Systematic C) Cluster D) Random E) Stratified 2) Determine whether the given value is a statistic or a parameter. After taking the first exam, 2) 15 of the students dropped the class. A) Statistic B) Parameter 3) Determine which of the four levels of measurement is most appropriate. Students' grades of3 A, B, or C, on a test. A) Ratio B) Ordinal C) Nominal D) Interval 4) Determine which of the four levels of measurement is most appropriate. Level of satisfaction 4) of survey respondents. A) Ratio B) NominaC) Interval D) Ordinal 5) Identify which type of sampling is used. A tax auditor selects every 1000th income tax 5) return that is received. A) Stratified B) Convenience C) Random D) Cluster E) Systematic 6) Determine whether the given description corresponds to an ohservational study or an 6) experiment. A political pollster reports that his candidate has a 10% lead in the polls with 10% undecided. A) Experiment B) Observational study 7) Identify the type of study used. A town obtains current employment data by polling 10,000 ) of its citizens this month. A) Cross-sectional C) Retrospective B) Prospective D) None of these 8) Determine whether the given description corresponds to an observational study or an 8) experiment. A doctor gives a new medication to half of his patients with the flu and a placebo to the other half of his patients with the flu A) Observational study B) Experiment

Answer 1