Sampling Methods

Is this an example of a population or a sample?

The number of pets in all households in a city.

• population

• sample

A beverage company wanted to see if people in the United States liked their new logo. Which choice best represents a population?

• A selection of logo artists.

• Every person in the United States.

• A selection of shoppers from different states.

• 3,800 children age 5 - 15

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.3

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.

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.3

Is this an example of a population or a sample?

The number of pets in one household in a city.

• population

• sample

To get valid results, a sample must be...

• biased

• unbiased

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.3

Simple random sample and systematic random sample are two types of ...

• biased samples

• unbiased samples

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.3

Convenience sample and voluntary response sample are types of...

• biased samples

• unbiased samples

Identify the sampling design: The LFCC registrar wants to investigate attitudes of their graduates.  The registrar randomly selects 100 names from each of the four past graduating classes.

• cluster
• volunteer
• stratified
• simple random

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.3

Identify the sampling design: Student government randomly samples 25 students of each of the four classes.

• stratified
• volunteer
• systematic
• simple random

Tags

CCSS.RI.11-12.7

CCSS.RI.8.7

CCSS.RI.9-10.7

CCSS.RL.11-12.7

CCSS.RL.9-10.7

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

• Sample
• Stratified Sampling Method
• Population
• Voluntary-Response

Tags

CCSS.HSS.IC.B.4