Unit 8 - Population and Sampling

Front

What is the definition of 'population' in statistics?

Back

The entire group studied in a statistical analysis.

Front

What is the definition of 'sample' in statistics?

Back

A part of the population being studied.

Front

Which choice BEST represents a sample of the population in a study about kids spending on toys?

Back

200 random kids of all ages.

Front

What does it mean if a survey method is described as 'unbiased'?

Back

It means the method is fair and does not favor any group over another.

Front

What is the definition of 'biased' in the context of sampling?

Back

A sampling method that unfairly favors one group over another.

Front

In a survey about school lunch, what does asking every 5th person represent?

Back

An unbiased sampling method.

Front

What is the definition of 'random sampling'?

Back

A sampling method where each member of the population has an equal chance of being selected.

Front

What is the importance of using a representative sample?

Back

It ensures that the results of the study can be generalized to the entire population.

Front

What is a 'sampling frame'?

Back

A list of individuals from which a sample is drawn.

Front

What is the difference between a population and a sample?

Back

A population includes all members of a defined group, while a sample includes only a subset of that group.