Questions and Answers
What are the four levels of measurement in statistics?
Nominal, ordinal, interval, ratio
Explain the difference between ordinal and interval levels of measurement.
Ordinal data can be ranked or ordered, but the differences between the values are not equal. Interval data has equal intervals between values, but there is no true zero point.
Give an example of ratio level of measurement in statistics.
Income is an example of ratio level of measurement in statistics.
What characteristic distinguishes the interval level of measurement from the ordinal level?
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In which level of measurement can arithmetic operations such as addition and subtraction be performed on the data?
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What differentiates the ratio level of measurement from the interval level?
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