Population and Sample

The entire group studied.

• sample
• population

Tags

CCSS.7.SP.A.1

CCSS.7.SP.A.2

The part of the population being studied

• population
• sample
• random

Tags

CCSS.7.SP.A.1

CCSS.7.SP.A.2

A sample that is by chance.

• random sample
• stratified sample
• systematic sample

Tags

CCSS.7.SP.A.1

CCSS.7.SP.A.2

A sample chosen at random form a randomly chosen subgroup or subgroups.

• random sample
• systematic sample
• stratified sample

Tags

CCSS.HSS.IC.B.3

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.7.SP.A.1

CCSS.7.SP.A.2

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.7.SP.A.1

CCSS.7.SP.A.2

Identify the sampling.
Every tenth student on the list was chosen to participate in the survey.

• random sampling
• systematic sampling
• stratified sampling

Tags

CCSS.HSS.IC.B.3

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

Tags

CCSS.7.SP.A.1

CCSS.7.SP.A.2

A radio station in Raleigh, NC wants to know the most popular song of the week. The DJ surveys random listeners who call in throughout the week. What is the population of the DJ’s survey?

• all the people in Raleigh, NC
• listeners of this radio station
• the listeners who call the station
• the most popular song of the week

Tags

CCSS.7.SP.A.1

CCSS.7.SP.A.2

Mrs. Croix is conducting a survey to find out the favorite snack of fifth and sixth graders. She will ask a sample of 100 students. Which of the groups below should be surveyed to get the BEST representative sample?

• 100 students at the movie theater
• the first 100 students who go to a local baseball game
• 5 students from each of the 20 local elementary schools
• 20 students from each of the 5 local fifth- and sixth-grade schools

Tags

CCSS.7.SP.A.1

CCSS.7.SP.A.2