Collecting data flashcard review

Front

What is a parameter in statistics?

Back

A parameter is a numerical value that summarizes a characteristic of a population.

Front

What is a statistic in statistics?

Back

A statistic is a numerical value that summarizes a characteristic of a sample.

Front

Define population in the context of data collection.

Back

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

Front

Define sample in the context of data collection.

Back

A sample is a subset of the population selected for observation and analysis.

Front

What is the difference between a population and a sample?

Back

A population includes all members of a specified group, while a sample includes only a portion of that group.

Front

What is convenience sampling?

Back

Convenience sampling is a non-probability sampling technique where subjects are selected because of their convenient accessibility and proximity to the researcher.

Front

What is systematic sampling?

Back

Systematic sampling is a method where you select every nth individual from a list or queue.

Front

What is qualitative data?

Back

Qualitative data is non-numerical information that describes qualities or characteristics.

Front

What is quantitative data?

Back

Quantitative data is numerical information that can be measured and expressed mathematically.

Front

What is observation in research?

Back

Observation is the act of noting and recording something with the use of the five senses.