Of the U.S. adult population, 36% has an allergy. A sample of 1200 randomly selected adults resulted in 33.2% reporting an allergy. Who is the population?

Of the U.S. adult population, 36% has an allergy. A sample of 1200 randomly selected adults resulted in 33.2% reporting an allergy. What is the sample?

A study reveals that there are exactly 100 Senators in the 109th Congress of the United States, and 57% of them are Republicans. Do the data comprise a sample or a population?

A study reveals that there are exactly 100 Senators in the 109th Congress of the United States, and 57% of them are Republicans. Do the results represent a statistic or a parameter?

A recent survey of 2625 elementary school children found that 28% of the children could be classified obese. Identify the Population:

A recent survey of 2625 elementary school children found that 28% of the children could be classified obese. Identify the Sample:

You are doing a study to determine the opinions of students at your college regarding stem cell research. In each scenario below, determine the sampling method used: You are using the__________ if you divide the student population with respect to their majors and randomly select some students from each major.

You are doing a study to determine the opinions of students at your college regarding stem cell research. In each scenario below, determine the sampling method used: You are using the _________ if you select students that are in your biology class.

You are doing a study to determine the opinions of students at your college regarding stem cell research. In each scenario below, determine the sampling method used: You are using the ____________ if you assign each student a number and generate random numbers. You question each student whose number has been randomly selected.

Identify the type of random sampling in the scenario. The principal randomly selects four classes and surveys each student in those classes.

Identify the type of random sampling in the scenario. A hockey card collector opens a drawer of sorted cards and, after selecting a random starting point, takes out every fifth card.

Identify the type of random sampling in the scenario. Your class submits solutions to a problem and your teacher divides the work into four piles by achievement levels. She then randomly picks three examples from each.