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King County Department of Assessments

Fair, Equitable, and Understandable Property Valuations

Department of Assessments

500 Fourth Avenue,
Suite ADM-AS-0708,
Seattle, WA 98104

Office Hours:
Mon - Fri
8:30 a.m. to 4:30 p.m.

TEL: 206-296-7300
FAX: 206-296-5107
TTY: 206-296-7888

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Glossary of terms for residential parcels

DATA
Information expressed in any of a number of ways. "Data" is the general term for masses of numbers, codes, and symbols generally, and "information" is the term for meaningful data. "Data" is the plural of datum, one element of data.

DEMAND
The amount of a good or service that would be purchased at various prices during a given period.

DISPERSION
The degree to which data are distributed either tightly or loosely around a measure of central tendency. Measures of dispersion include the average deviation, coefficient of dispersion, coefficient of variation, range, and standard deviation.