Inferences

Front

What is a population in statistics?

Back

The entire group of individuals or instances about whom we hope to learn.

Front

What is a sample in statistics?

Back

A subset of the population selected for observation and analysis.

Front

What is the importance of selecting a representative sample?

Back

A representative sample ensures that the results can be generalized to the larger population.

Front

What does it mean to conduct a survey?

Back

A survey is a method of collecting data by asking questions to a group of people.

Front

What is bias in sampling?

Back

Bias occurs when certain members of the population are more likely to be selected than others, leading to unrepresentative results.

Front

What is random sampling?

Back

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

Front

What is stratified sampling?

Back

A sampling method that involves dividing the population into subgroups and taking a sample from each.

Front

What is convenience sampling?

Back

A sampling method that involves selecting individuals who are easiest to reach, which may lead to bias.

Front

What is the difference between qualitative and quantitative data?

Back

Qualitative data describes characteristics or qualities, while quantitative data involves numerical measurements.

Front

What is a survey question?

Back

A question designed to gather information from respondents, which can be open-ended or closed-ended.