SP1

What would be the population in this example?
Surveyors in a mall choose shoppers to ask about products they prefer.

• the surveyors
• all shoppers in the mall
• the shoppers who were asked their preferences

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.3

What would be the sample in this example?
Surveyors in a mall choose shoppers to ask about products they prefer.

• the surveyors
• all shoppers in the mall
• the shoppers who were asked their preferences

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.3

Identify the Population:
Wicomico County Public Schools randomly selected 230 teachers to find out which technology resource is the most effective.

• 230 Teachers
• All teachers
• Students
• Wicomico County Public Schools

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.3

A school randomly chose ten English teachers and asked them which type of juice their students would prefer. Which reason best shows why this sample is biased?

• The sample didn't include students.
• The sample is too small.
• The sample can only be accurate if each teacher is included in the sample
• English teachers don't drink juice!

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.3

Manny wants to know how many students at CTMS enjoy solving math problems. What is the best sampling method?

• ask for 20 volunteers to discuss whether they enjoy solving math problems
• ask the last 20 people to arrive at CTMS 
• Randomly ask 2 students in the hallway
• Ask every 20th student that walks into school

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.3

7. A public library asked every 10th person who entered to name the type of book they were getting

• Biased

• Unbiased

Ana wants to know the average student’s opinion of the tardy policy at her school. Which group of students should she survey in order to achieve the most accurate results?

• thirty students who are often tardy

• thirty students who are rarely tardy

• thirty of her friends

• thirty randomly selected students from her school

At a middle school, the 7th graders will conduct a survey to decide where they want 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

Natalie wants to find out the names of high school students' favorite movies. Which of the following would be the best population for Natalie to survey?

• Adults ages 35 to 45 years that have high-school-age children

• Boys that go to the local mall on Saturday morning

• Twelfth-grade students that will graduate from high school in one week

• Girls and boys entering the cafeteria for lunch at a high school on Tuesday

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

Tags

CCSS.7.SP.A.1