WorksheetsSample
Total questions: 22
Worksheet time: 33mins
A restaurant wants to know if their customers buy dessert when they eat out. As people leave the restaurant one evening, 20 people are surveyed at random. Eight people say they usually order dessert when they eat out. The restaurant concluded that most customers do not order dessert.
To determine the most popular children’s programs, a television station asks parents to call in and complete a phone survey.
Biased Sample
Unbiased Sample
Airline boarding passes are marked with red stars at random to decide which passengers should have their carry-on luggage inspected.
Biased Sample
Unbiased Sample
To determine how often people eat out, every tenth person entering a Chinese restaurant is surveyed.
Biased Sample
Unbiased Sample
Carlos wants to know the favorite sport of people at his school so he asks his baseball team.
Biased
Unbiased
A public library asked every 10th person who entered to name the type of book they were getting.
Biased
Unbiased
A survey of 500 spectators from a stadium with 42,000 spectators.
Population
Sample
The final score of each golfer in a tournament.
Population
Sample
The number of televisions in each U.S. household.
Population
Sample
The soil contamination levels at 100 locations near a landfill.
Population
Sample
The drink order of every person entering Starbucks.
Population
Sample
300 undergraduate students from three universities who volunteered for a psychology research study.
Population
Sample
There are 225 7th graders at L&C. You survey 64 of them to find out their favorite food. The group that is the sample is (a)
There are 225 7th graders at L&C. You survey 28 of them to find out their favorite food. Which group is the population?
225
28
Determine if the sample is a representative sample or a biased sample:
Population: High school students in a state.
Sample: Polling students from a single high school in that state.
Representative Sample
Biased Sample
Determine if the sample is a representative sample or a biased sample:
Population: Students' favorite ice cream flavors.
Sample: Surveying a random selection of 7th graders in your school about their favorite ice cream flavors.
Representative Sample
Biased Sample
Determine if the sample is a representative sample or a biased sample:
Population: Employees of a company.
Sample: Surveying employees from various departments and job levels using a random selection process.
Representative Sample
Biased Sample
Determine if the sample is a representative sample or a biased sample:
Population: 7th-grade students in a school.
Sample: Surveying a random selection of 7th-grade students from different classes within the school.
Representative Sample
Biased Sample
