Statistics 1.1

Front

What is the level of measurement for customer satisfaction rankings (Very dissatisfied, Dissatisfied, Neutral, Satisfied, Very satisfied)?

Back

Ordinal

Front

What is the implied population when fast-food customers rank their satisfaction?

Back

All U.S. adult fast-food customers

Front

Is the variable for classifying ancient artifacts by type of material (stone, bronze, iron) qualitative or quantitative?

Back

Qualitative

Front

What is the level of measurement for average daily temperature (°C) in ecological studies?

Back

Interval

Front

What is the implied population when an advertising company collects data on car brands' miles per gallon?

Back

All cars advertised on TV

Front

Define 'Ordinal Level of Measurement'.

Back

A level of measurement where data can be ordered or ranked, but the differences between the ranks are not meaningful.

Front

Define 'Qualitative Variable'.

Back

A variable that describes categories or qualities and cannot be measured numerically.

Front

Define 'Interval Level of Measurement'.

Back

A level of measurement where the difference between values is meaningful, but there is no true zero point.

Front

Define 'Ratio Level of Measurement'.

Back

A level of measurement that has all the properties of interval measurement, and also has a true zero point.

Front

What is a 'Population' in statistics?

Back

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