Bell Work 3/25

_______ is a part of a group being surveyed.

• Sample
• Population
• Random Sample
• Quartile

_______ is the entire group of objects or individuals considered for a survey.

• Sample
• Population
• Random Sample
• Quartile

The manager of a book store surveys people who buy mystery novels to see if the store should expand its hours.  What is the population?

• People who visit the bookstore.
• People who buy mystery novels.
• Residents of the town
• People who like to read.

A U.S. senator from Maine wants to find out the opinion of the voters in his state on issues concerning education.  The office of the senator passes out surveys on ten street corners in the five major cities in the state of Maine.  Is this random?

• Yes
• No

A student wants to know which type of pizza the students at his high school prefer. Which option would give a unbiased, representative sample:

Average

• Asking all the students in the hot lunch line.

• Asking 10 random students from each homeroom.

• Asking every other student who gets off a school bus.

• Asking all the 10th graders.

At a middle school, the 7th graders will conduct a survey for where to go on a field trip. Which method will result in the least biased decision?

• to randomly ask 8th grade students who went on a field trip last year

• to randomly choose some 7th grade students to select a location

• to ask all 7th grade teachers and administrators for a location

• to ask the student council to choose a location

You want to know how many students catch the bus to go home.  You go to the bus stop and ask students how they go home from school.  Is this an effective sample?

• YES

• NO

A musician wanted to see what people who bought his last album thought about the songs.

Which choice best represents a sample?

• Every person who bought the album.

• A selection of people who didn't want to buy the album.

• 250 girls who bought the album.

• A selection of 3,294 people who bought the album.

The entire group studied.

• sample
• population

Which of these statements best describes a biased sample?

• It is very small.

• It is not randomly chosen.

• It results in incorrect predictions.

• It does not accurately represent the population.