Sampling and Data

Front

What is sampling in data collection?

Back

Sampling is the process of selecting a subset of individuals from a population to estimate characteristics of the whole population.

Front

What is a quadrat used for in ecological studies?

Back

A quadrat is a square or rectangular plot used to sample and estimate the abundance and distribution of organisms in a specific area.

Front

What is primary data?

Back

Primary data is information collected firsthand by the researcher for a specific research purpose.

Front

What is secondary data?

Back

Secondary data is information that has already been collected and published by others, used for a different purpose.

Front

What is the difference between qualitative and quantitative data?

Back

Qualitative data describes characteristics or qualities, while quantitative data involves numerical measurements and can be counted or measured.

Front

What is velocity in the context of Big Data?

Back

Velocity refers to the speed of data generation and processing in Big Data.

Front

What is a pitfall trap used for?

Back

A pitfall trap is used to capture small animals, particularly insects, to study their occurrence and behavior.

Front

What is the purpose of a survey in data collection?

Back

Surveys are used to gather information from a group of people to understand their opinions, behaviors, or characteristics.

Front

What is a sample population?

Back

A sample population is a subset of individuals selected from a larger population for the purpose of statistical analysis.

Front

What is the importance of random sampling?

Back

Random sampling ensures that every individual in the population has an equal chance of being selected, reducing bias in the results.