AP Stats 4.1

This is an example of what sampling strategy?

Interview every 10th student who enters the school in the morning.

• simple random

• voluntary response

• systematic

• convenience

This is an example of what sampling strategy?

Assign each car in a dealership a number and then use a random-number table to select the cars to be inspected.

• systematic

• simple random sample

• convenience

• Self - selected (volunteer)

This is an example of what sampling strategy?

Marianne wanted to know students' opinion on the new schedule at school. She survey's the first 30 students who come into her class.

• Convenience Sampling

• Systematic Random Sampling

• Simple Random Sampling

• Volunteer response

This is an example of what sampling strategy?

An independent research company wants to go door to door to survey people in the city of Fontana. The company decides to number all blocks within the city limit, randomly choose 1 block and survey all households on that block.

This is an example of:

• Simple Random Sample

• Stratified Random Sample

• Cluster Random Sample

• Systematic Random Sampling

Which of the following best describes her method of data collection?

A teacher hands out an index card and asks ALL of her students to write down the following information: age, height (in inches), and what grade they are in.

• Census

• Simple Random Sample

• Cluster Random Sample

• Stratified Random Sample

Which of the following best describes her method of data collection?

The president of a college randomly selects 2 students from each department to serve on a student advisory board.

• Convenience

• Systematic

• Stratified

• Simple Random

Which of the following does not describe a sampling method that has a potential source of voluntary response bias for the administration of a survey about college athletics at a university?

• Giving the survey to 30 students selected at random from each of the eight dorms on campus

• Giving the survey to the first 50 students who call the university radio station after the broadcaster

  announces the survey on air

• Giving the survey to any student who stops at a table set up in the student union after the survey is

  advertised

• Giving the survey to all students who respond to an advertisement in the student newspaper

• Giving the survey to physical education majors who receive extra credit for completing the survey

A program exists to encourage more middle school students to major in math and science when they go to college. The organizers of the program want to estimate the proportion of students who, after completing the program, go on to major in math or science in college. The organizers will select a sample of students from a list of all students who completed the program. Which of the following sampling methods describes a stratified random sample?

• Select all female students on the list

• Randomly select 50 students on the list

• Randomize the names on the list and then select every tenth student on the randomized list

• Randomly select 25 names from the female students on the list and randomly select 25 names from the male students on the list.

• Randomly select 50 students on the list who are attending college

A researcher wanted to estimate the average amount of money spent on extracurricular activities per school in Nevada. The researcher randomly selected 20 public schools and 20 private schools in Nevada for a sample. Which of the following best describes the type of sample that was taken?

• A census

• A cluster sample

• A convenience sample

• A simple random sample

• A stratified random sample

A researcher conducting a telephone survey is concerned about possible sources of bias. Of the following, which is the best example of nonresponse bias?

• People without telephones are overlooked in the sampling procedure used to determine who is

  surveyed.

• Many of the people selected to participate in the survey who do not respond might have opinions

  different from those who do respond.

• People might be uncomfortable with the survey questions and, as a result, might not always

  respond to those questions truthfully.

• The behavior of the interviewer leads people to respond in a certain way

• The wording of the questions in the survey leads people to respond in a certain way.