Populations, Samples, and Sampling Methods

_______ is a part of a group being surveyed.

• Sample

• Population

• Random Sample

• Stratification

A _________ is a sample in which each individual or object in the entire population has an equal chance of being selected.

• random generator

• population

• random sample

• biased sample

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

• sample

• population

• random sample

• stratified random sample

You want to know how many students at Meadow Glen Middle School are traveling over the winter break. You survey 100 students and find that 30 are traveling. What is the population in this survey?

• all the students at Meadow Glen traveling over the winter break

• all the students at Meadow Glen Middle School

• all the students in 7th grade

• the 100 students that were surveyed

A U.S. senator from South Carolina wants to find out the opinion of the voters in his state on issues concerning education. The office of the senator sends out a survey to a random sample of registered voters in South Carolina. Is this random sampling?

• Yes

• No

Hannah surveys 100 moviegoers that entered the movie theater in the first hour. What type of sampling method is this?

• Simple Random

• Convenience

• Stratified Random

• Voluntary Response

Every moviegoer wrote their name on the paper that was given to them as they entered the theater and placed it in the box. Tom surveys 40 moviegoers by randomly choosing their names out of a box. What type of sampling method is this?

• Simple Random

• Convenience

• Voluntary Response

• Stratified Random

The Candlelit-Dinner Candle Store surveys its Monday customers to find out their opinion on a new scented candle.  Is this biased or unbiased?

• Biased
• Unbiased

Tags

CCSS.7.SP.A.1

CCSS.7.SP.A.2

Mrs. Naniot decides to survey all of her students to find out their opinion on the new menu in the cafeteria. Is this biased or unbiased?

• Biased

• Unbiased

You interview the first 30 students who enter the school in the morning. What type of sampling method is this?

• simple random

• voluntary response

• stratified random

• convenience