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precision PDF Print E-mail
Friday, 17 November 2006 01:00
A precision is the degree to which replicate measurements of the same attribute agree or are exact. "The degree to which a set of observations or measurements of the same property, usually obtained under similar conditions, conform to themselves; a data quality indicator" (QAMS 1993, 16). (See related: accuracy, bias.)
Other /More definition:
A Precision is a measure of mutual agreement among individual measurements of the same property, usually under prescribed and similar conditions. Most desirably expressed in terms of the standard deviation, but can be expressed in terms of the variance, pooled estimate of variance, range, relative percent difference, or other statistic.

---> see also:
"Precision" is in the NAICS Code "332721"
  (Precision Turned Product ManufacturingPrecision turned product manufacturing)


"Precision" is in the CPC Code "4823"
  Precision balances; instruments for drawing, calculating, measuring length, etc.

Other /More definition:
A precision is a measure of how close repeated trials are to each other.

Flickr Photos

These pictures about "precision" have been delivered by flickr on a random basis. We have no influence on it.
All rights belong to their respective owners.

Locomotive lubrication chart in the laboratory of the Chicago and Northwestern Railroad. The laboratory assistant in foreground is working at a precision balance. Chicago, Ill (LOC)

by The Library of Congress

Delano, Jack,, photographer. Locomotive lubrication chart in the laboratory of the Chicago and Northwestern Railroad. The laboratory assistant in foreground is working at a precision balance. Chicago, Ill 1942 Dec. 1 transparency : color. Notes: Title from FSA or OWI agency caption. Transfer from U.S. Office of War Information, 1944. Subjects: Chicago and North Western Railway Company World War, 1939-1945 Railroads Laboratories United States--Illinois--Chicago Format: . . .

Part of the cowling for one of the motors for a B-25 bomber is assembled in the engine department of North American [Aviation, Inc.]'s Inglewood, Calif., plant (LOC)

by The Library of Congress

Palmer, Alfred T.,, photographer. Part of the cowling for one of the motors for a B-25 bomber is assembled in the engine department of North American [Aviation, Inc.]'s Inglewood, Calif., plant 1942 Oct. 1 transparency : color. Notes: Title from FSA or OWI agency caption. Transfer from U.S. Office of War Information, 1944. Subjects: North American Aviation, Inc. Airplane industry Assembly-line methods World War, 1939-1945 Women--Employment Bombers United States--California . . .

The utmost precision is required of these operators who are cutting and drilling parachute packs in an eastern factory, Manchester, Conn. Their work is under constant close supervision. Pioneer Parchute Company (LOC)

by The Library of Congress

Rittase, William M.,, 1894-1968,, photographer. The utmost precision is required of these operators who are cutting and drilling parachute packs in an eastern factory, Manchester, Conn. Their work is under constant close supervision. Pioneer Parchute Company 1942 Aug. 1 transparency : color. Notes: Title from FSA or OWI agency caption. Transfer from U.S. Office of War Information, 1944. Subjects: Pioneer Parachute Company Parachute industry World War, 1939-1945 United Stat . . .

Paris Exposition: Eiffel Tower and Celestial Globe, Paris, France, 1900

by Brooklyn Museum

Paris Exposition: Eiffel Tower and Celestial Globe, Paris, France, 1900. Eiffel Tower and Celestial Globe. Brooklyn Museum Archives, Goodyear Archival Collection (S03_06_01_015 image 1968). It helps us to know how our visitors work with our images, so if you use it, we'd love to know how! Drop us a line by leaving a comment here or email our archivist: This e-mail address is being protected from spambots. You need JavaScript enabled to view it . . .
 

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