# Identifying the Population of Interest

• 1.

Joe is curious about how many of his customers are repeat customers. Over the course of a weekend, he asks each paying customer if they've shopped at this store before. What's the population of interest in this scenario?

• Number of people who came to the store

• Customers at Joe's store

• Repeat customers

• Visitors on one day

• 2.

The Postal Service decided to implement various changes to their delivery times in hopes of improving efficiency. In order to see the effect on mail delivery in New York City, three post offices take surveys about any changes people noticed with receiving their mail.

• Postal workers.

• People in New York City who receive mail.

• The three post offices.

• People mailing letters.

• 3.

Jackie is studying professional hockey teams for a popular sports magazine. She selects a random sample of professional hockey players and asks them a series of questions, including one about their birthday. Interestingly, she finds many of them were born within the same couple months. Who is the population of interest for Jackie's study?

• Jackie.

• Readers of the sports magazine.

• All hockey players.

• Professional hockey players.

• 4.

After some controversy, Jupiter High School decide they need a new school mascot. This time, they want student input in the decision making process. So the school randomly selects 100 current students to ask survey questions about the new mascot. Who is the population of interest in this scenario?

• The Mascots.

• All students, past and present, of Jupiter High School

• Students currently attending Jupiter High School.

• The administration at Jupiter High School.

• 5.

Eva's Star Bakery wants to introduce new pastries to their menu in order to attract customers, and are researching what their customer base would be interested in. They hire a temporary employee to perform a survey, who randomly surveys customers over the course of a month. Identify the population of interest.

• The temporary employee.

• Eva Star Bakery.

• Customers of Eva's Star Bakery

• All prospective customers of Eva's Star Bakery.

• 6.

A local election is coming up, so an independent pollster organization conducts a poll to get a picture of candidate favorability. They call 1000 homes randomly selected within the voting district, and ask any eligible voters about their opinions on the candidates. Identify the population of interest.

• The pollster organization.

• All people who live in the voting district.

• The candidates.

• Eligible voters that live in the voting district.

• 7.

Richard is a medical student who decides to study people living with chronic back pain for a dissertation. In order to find people to survey, he posts an advertisement in the local newspaper and online, requesting people suffering from chronic back pain. Determine the population of interest in this scenario.

• People with chronic back pain.

• Richard.

• His college.

• 8.

Crow is a fashion designer whose interested in the fashion trends happening in the US right now. He decides to research this, hoping he can use his findings to help design his next pieces. He surveys 50 people who attend fashion shows at least twice a year, and asks their input. Determine the population of interest in this scenario.

• Crow.

• People who attend fashion shows.

• People who wear Crow's clothes.

• People who wear clothes in the United States.

• 9.

Julia has a theory and wants to see if there's a correlation between how often a student reads for fun and their grades at school. She creates a survey where she randomly selects 100 students at her school and asks them about their reading and study habits. Determine the population of interest in this scenario.

• Julia.

• Students who attend Julia's School

• Students who attend any school.

• Students who read for fun.

• 10.

Mercury City, in an effort to learn more about the sources of potential future tax revenue, is looking into the car buying habits of their citizens. They design a survey and call 2000 different households, randomly selected, that are within city limits. Who is the population of interest in this scenario?

• The government of Mercury City.

• Tax payers of Mercury City.

• People who buy cars in Mercury City

• People who live within Mercury City's city limits.

• 11.

The avid lover of trash, Oscar, wants to learn more about the relationship New Yorkers have with their garbage. He asks people who he comes across randomly about their opinion on garbage, after confirming they do live in New York. Who is the population of interest in this scenario?

• The Trash.

• Oscar.

• Anyone in New York.

• New Yorkers.

• 12.

Josh is on a quest to find out if hot dogs are sandwiches. In part of his quest, he creates a survey to ask everyone he knows about their opinion on this very important subject matter. He posts the results of this survey on his social media account. Who is the population of interest in this scenario?

• Everyone who eats hot dogs.

• Josh.

• Anyone who knows Josh.

• People who follow his social media account.

• 13.

Elliot is a passionate member of the school band, and decides to look into the past experiences of his fellow band members. He makes a survey that he passes out to everyone in his band, asking about all their previous music experiences. Identify the population of interest in this scenario.

• Anyone in a school band.

• Students in the same school as Elliot.

• Elliot.

• Students in the same school band as Elliot.

• 14.

Dante wants to learn more about Texas BBQ. In order to do so, he makes a poll about the most popular sides served at a Texan BBQ. He posts this poll publicly online, asking for Texans to respond and filtering out any responses that aren't from Texans. Identify the population of interest.

• Anyone whose attended a Texas BBQ.

• All people online.

• Dante.

• All Texans.

• 15.

Exit polls are done on election day to get a sense of how candidates are doing before the actual election count is done. They ask randomly selected people leaving a voting station on how they voted. Who is the population of interest in this scenario?

• All eligible voters.

• The candidates.

• The pollsters.

• Everyone who voted in the election.

• 16.

Doug wants to learn more about the TV-watching habits of Kindergarteners (usually 5-6 year olds) at Mercury Elementary School. He selects 30 kindergarteners out of the total 100 kindergarteners attending the school to survey. Who is the population of interest in this scenario?

• Doug.

• All Kindergarteners.

• Kindergarteners attending Mercury Elementary.

• Producers of children's television.

• 17.

Kevin wants to know the pizza preferences of his family members. He makes a short questionnaire, and asks each member of the family about the preferences of pizza. Who is the population of interest here?

• Kevin.

• The pizza.

• Members of Kevin's family.

• People who consume pizza.

• 18.

As part of her job, Ms. Solomon recorded her student's test scores on the last English test. She used these recorded scores to revise that specific English test to use for the next semester. Determine the population of interest in this scenario.

• Students who took the English test.

• All students of Ms. Solomon.

• Future students of Ms. Solomon.

• Ms. Solomon.

• 19.

Naveen runs a veterinarian clinic that sees a high number of cat patients. As part of the exam, he records each cat's weight. His assistant, researching ongoing cat diet trends, uses a random sample of these cat weights for their study. Who is the population of interest?

• His assistant.

• Naveen.

• The cats selected for the study.

• All cats who go to Naveen's clinic.

• 20.

Saturn Middle School does an annual mile run with its students. However, it is considering revising this practice and researches the matter. They collect a random sample of student mile run times done over the past five years, and compare it to other fitness data. Who is the population of interest?

• The administration of Saturn Middle School.

• Current students at Saturn Middle School.

• The students samples selected for the study.

• Students who ran the mile run within the last five years.

• 21.

Mr. Gunderson wants to learn about how much his students read during the summer. He asks each student how many books they read while they were on summer vacation, and rewards students who read at least five books with candy. Who is the population of interest?

• All students.

• The students who read at least five books.

• Mr. Gunderson.

• All students of Mr. Gunderson's class.

• 22.

Venus Coffee shop is working on revisiting the recipe of their specialty drinks. Since there's so many drinks on their menu, they random select three to start with. They look into the sale records of the drink, customer favorability, and the ingredients used for each drink. What's the population of interest here?

• The specialty drinks chosen for their research.

• Customers of the Venus Coffee Shop.

• The owners of Venus Coffee Shop.

• Specialty drinks sold by the Venus Coffee Shop.

• 23.

An online video game is looking at their active player base. They are curious to know if there's notable demographic differences (age, gender, socioeconomic level) based on the player's country of residence. Since there are millions of players, they pick a random sample of 1000 players to look into this. Identify the population of interest.

• The active player base.

• Citizens of the countries with active players.

• The video game developers.

• The 1000 players selected for the study.

• 24.

Solar School District is conducting a study on the effects that a student's involvement with extracurricular activities has on their GPA. To gain a large enough sample, they look over student records at four randomly selected high schools in their district. What would be the population of interest in this scenario?

• High schoolers in the Solar School District.

• The administration of Solar School District.

• All students in the Solar School District.

• All schools in Solar School District.

• 25.

Macaron County Fair hosts a series of eating competitions every year. Wanting to add a new type of food to shake things up, they contact a random selection of past competitors to ask their opinions. Who is the population of interest in this scenario?

• Past competitors surveyed for the research.

• All past competitors of the Macaron County Fair eating competitions.

• The runners of Macaron County Fair.

• All competitive eaters.

• 26.

Macaron County Fair wants to know what type of people are more likely to buy a multi-day pass for the fair. They look at past sale records to see the family size, the type of pass they bought, the payment method, and where they live if the information was given. Who is the population of interest?

• Families who attended Macaron County Fair.

• People who buy multi-day passes for Macaron County Fair.

• The people running Macaron County Fair.

• People who have attended the Macaron County Fair

• 27.

An animal shelter wants to know more about the common reasons people donate to their organization. They contact a sample of donors and ask them a survey about the reasons behind their donations. The results are posted as testimonies on the shelter's website. Determine the population of interest for this study.

• Donors to the animal shelter.

• The animal shelter.

• Visitors of the animal shelter's website.

• Donors contacted by the animal shelter for this study.

• 28.

A mountain climbing club wants to figure out which mountain they should climb for their next club weekend getaway. They create a spreadsheet that lists mountains in the region as well as a lot of information about the mountain climbing conditions. Determine the population of interest.

• Climbers who would attend the weekend getaway.

• The mountain climbing club.

• The mountains in the region.

• All mountains.

• 29.

A famous fighting game conducts a survey to see what type of character should be included in future updates of the game. They send out a survey to all players of the game, asking them to choose from a pre-established list. They get about a 45% response rate from the players. Identify the population of interest.

• All players of the game.

• The characters listed on the survey.

• The fighting game developers.

• The 45% of players who responded to the survey.

• 30.

Bill is a new musician at the Mars Jazz club and wants to figure out which songs he should memorize based on what's most often requested. He looks into the past record of song requests, which are several pages long, and picks a few random pages to look over to spot any trends. What's the population of interest?