Sample and Population Vocabulary

In a(n) ____, every member of a population has an equal chance of being selected.

• statistic

• inference

• random sample

• voluntary sample

A sampling method in which a population is divided into subgroups that contain similar individuals or objects.

• stratified

• systematic

• census

• population

The whole group of people or objects that a researcher wants to study.

• population

• sample

• survey

• census

The entire set of people or objects that is being studied.

• Population

• Sample

• Sampling Plan

• Data Point

Choose the true statement(s) about the census and sample shown.

• The sample could be considered too small.

• The sample is biased because is does not include everyone.

• The sample is representative of the population's sub-groups.

A ___ is a large group that includes everything being studied.

• Sample

• Stratified Sampling Method

• Population

• Voluntary-Response

Identify the Sample: The Huddle House wants to know if their customers buy dessert when they eat out. As people leave the restaurant one evening, 20 people are surveyed at random. Eight people say they usually order dessert when they eat out. The manager at Huddle House concluded that most customers do not order dessert. What is the SAMPLE in this scenario?

• 20 customers from Huddle House

• All customers from Huddle House that evening

• 8 customers from Huddle House

• The employees from Huddle House

7.SP.1

• A

• B

• C

• D

80 7th graders at CMS were asked what their favorite season was. Does this represent a population or a sample?

• sample

• Population

A survey company was trying to see if people in a state thought the pollution was too high. Which choice best represents a population?

• Every person in the state

• A selection of people from each neighborhood in the state

• A selection of people who live near the highways

• A selection of people who live in small towns