Types of Data and Levels of Measurement

Front

What is the definition of 'Observation'?

Back

An observation is the act of noting and recording something using the senses.

Front

What is the definition of 'Inference'?

Back

An inference is a conclusion drawn from observations and prior knowledge.

Front

What are the four types of data?

Back

Nominal, Ordinal, Interval, Ratio.

Front

What is Nominal Data?

Back

Nominal data is categorical data without a specific order, such as names or labels.

Front

What is Ordinal Data?

Back

Ordinal data is categorical data with a defined order, such as rankings.

Front

What is Interval Data?

Back

Interval data is numerical data where the difference between values is meaningful, but there is no true zero, such as temperature.

Front

What is Ratio Data?

Back

Ratio data is numerical data with a true zero point, allowing for comparison of magnitudes, such as height or weight.

Front

Example of Nominal Data?

Back

Types of fruits: apples, oranges, bananas.

Front

Example of Ordinal Data?

Back

Movie ratings: poor, fair, good, excellent.

Front

Example of Interval Data?

Back

Temperature in Celsius or Fahrenheit.