PRACTICE Population vs. Sample

City Councilwoman Kelly wants to know whether the residents of her district support a proposed school budget plan.

Which of the following survey methods will allow Councilwoman Kelly to make a valid conclusion about whether residents of her district support the proposed plan?

• Ask 200

  residents of her district whose names are chosen at random.

• Ask 200 parents at the local playground.

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

What is a smaller, representative group drawn from a population?

• unit

• sample

• parameter

• statistic

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

The entire set of items (who or what) from which data can be selected

• survey

• parameter

• population

• sample

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Population or Sample?

According to Ms. Carey’s survey of the students in her class, 50% of her students have at least one dog.

• Population

• Sample

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Population or Sample?

A survey of 1353 American households found that 18% of the households own a computer.

• Population

• Sample

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Population or Sample?

The average weight of every person entering the mall within 3 hour period was 146 lb.

• Population

• Sample

Tags

CCSS.HSS.IC.B.3

Population or Sample?

All of the teachers in a school are surveyed on their meeting time preferences.

• Population

• Sample

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Population or Sample?

Every fifth customer exiting a restaurant is surveyed on how well they liked the food.

• Population

• Sample

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

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.HSS.IC.A.1

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.HSS.IC.A.1