Samples and Margin of Error

Front

What is the entire group of objects or individuals considered for a survey?

Back

Population

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Front

What is the margin of error for a survey of 300 people concerning their thoughts on the upcoming election?

Back

\pm5.8\%

Front

If a research team surveys 200 high schoolers and finds that 57% drive to school every day, what is the margin of error?

Back

7\%

Tags

CCSS.HSS.IC.B.4

Front

In a representative sample of 120 vehicles in a parking lot, there are 18 vans. If there are 960 vehicles, estimate the number of vans in the parking lot.

Back

144 vans

Tags

CCSS.7.RP.A.2C

Front

What does the statistic describe?

Back

Sample

Tags

CCSS.6.SP.B.5B

Front

Define 'Sample' in the context of surveys.

Back

A subset of individuals or objects selected from a larger population.

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Front

What is 'Margin of Error'?

Back

A measure of the potential error in survey results, indicating the range within which the true value lies.

Tags

CCSS.HSS.IC.B.4

Front

How is the margin of error typically expressed?

Back

As a percentage, indicating the range of uncertainty in survey results.

Tags

CCSS.HSS.IC.B.4

Front

What is a 'Random Sample'?

Back

A sample that is selected randomly from a population, ensuring that every individual has an equal chance of being chosen.

Tags

CCSS.HSS.IC.B.3

Front

What is the formula for calculating the margin of error?

Back

Tags

CCSS.HSS.IC.B.4