Population and Sample Quiz

A bagel shop surveys customers to see who likes the new shop hours. Who is the population?

• The shop owners

• The customers who were surveyed

• All customers of the bagel shop

• People walking by the store

A coach randomly selects 8 spectators from a container of ticket stubs. Who is the sample?

• All spectators

• The coach

• The 8 people chosen to march in the parade

• The team

Guillermo surveys 15 members of his community service group. Who is the population?

• 15 group members

• The entire community service group

• The town’s residents

• Only Guillermo’s friends

Mariah wants to randomly pick 4 students from her class of 26. What is a way she could do this?

• Pick 4 friends

• Ask for volunteers

• Write names on slips of paper and draw 4 without looking

• Choose students in alphabetical order

A teacher randomly selects 8 students to predict the whole class’s quiz scores. Is this representative?

• Yes, if the students were chosen randomly

• No, because 8 is too many

• No, because everyone should be surveyed

• Yes, if they were the highest scorers

A candidate randomly selects 100 voters to ask how they will vote. Is this sample representative?

• Yes, if all voters had an equal chance of being selected

• No, 100 is too few

• Yes, if they’re all from the same neighborhood

• No, voters don’t answer honestly

Walter surveys his math class to learn about salad preferences in the school. What’s the population?

• Students who like tomatoes

• His math class

• All students in the school

• Salad ingredients

Walter’s math class is the only group surveyed. Is that sample representative of the school? Why or why not?

• No, it’s not random and doesn’t include all types of students

• Yes, because they eat salad

• Yes, because they answered

• No, because they all like cucumbers

A theater surveys 1,200 nearby residents about luxury seating. What is the sample?

• All theater customers

• All people within 10 miles

• The 1,200 residents who were surveyed

• Theater employees