For the studies described below, identify the following information: a) the population and b) the sample.
1) The Gallup Organization conducted a poll of 1,003 Americans in its household panel to determine what percentage of people plan to cancel their summer vacation because of the increase in gasoline prices.
2) Harris Interactive surveyed 2,435 U.S. adults nationwide and asked them to rate the quality of American public schools.
3) The American Institute of Education conducts an annual study of attitudes of incoming college students by surveying approximately 261,000 first-year students at 462 colleges and universities. There are approximately 1.6 million first-year college students in this country.
4) In a USA Today Internet poll, readers responded voluntarily to the question "Do you consume at least one caffeinated beverage every day?"
5) Astronomers typically determine the distance to a galaxy by measuring the distances to just a few stars within it and taking the mean (average) of these distance measurements.
Determine whether the result would be a parameter or a statistic (and explain your reasoning):
6) A survey of 1,103 students was taken from a university with 19,500 students about whether they plan to graduate in four years. Of the 1,103 students, 55% plan to graduate in four years.
7) The 2006 team payroll of the New York Mets was $101,084,963.
8) In a recent study of physics majors at the university, 15 students were double majoring in math.
9) A recent survey by the alumni of a major university indicated that the average salary of 10,000 of its 300,000 graduates was $125,000.
10) The average salary of all assembly-line employees at a certain car manufacturer is $33,000.
1) The Gallup Organization conducted a poll of 1,003 Americans in its household panel to determine what percentage of people plan to cancel their summer vacation because of the increase in gasoline prices.
2) Harris Interactive surveyed 2,435 U.S. adults nationwide and asked them to rate the quality of American public schools.
3) The American Institute of Education conducts an annual study of attitudes of incoming college students by surveying approximately 261,000 first-year students at 462 colleges and universities. There are approximately 1.6 million first-year college students in this country.
4) In a USA Today Internet poll, readers responded voluntarily to the question "Do you consume at least one caffeinated beverage every day?"
5) Astronomers typically determine the distance to a galaxy by measuring the distances to just a few stars within it and taking the mean (average) of these distance measurements.
Determine whether the result would be a parameter or a statistic (and explain your reasoning):
6) A survey of 1,103 students was taken from a university with 19,500 students about whether they plan to graduate in four years. Of the 1,103 students, 55% plan to graduate in four years.
7) The 2006 team payroll of the New York Mets was $101,084,963.
8) In a recent study of physics majors at the university, 15 students were double majoring in math.
9) A recent survey by the alumni of a major university indicated that the average salary of 10,000 of its 300,000 graduates was $125,000.
10) The average salary of all assembly-line employees at a certain car manufacturer is $33,000.