David A Nadler, Feedback and Organizational Development Using Data-Based Methods. Reading, Mass Addison-Wesley, 1977, p. 140; Cited in: Arthur G. Bedeian (1980). Organizations: Theory and Analysis : Text and Cases. p. 43.
“The fact must be expressed as data, but there is a problem in that the correct data is difficult to catch. So that I always say "When you see the data, doubt it!" "When you see the measurement instrument, doubt it!… For example, if the methods such as sampling, measurement, testing and chemical analysis methods were incorrect, data… to measure true characteristics and in an unavoidable case, using statistical sensory test and express them as data.”
Kaoru Ishikawa in: Annual Quality Congress Transactions, (1981), p. 130
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Kaoru Ishikawa 3
Japanese business theorist 1915–1989Related quotes

Frisch (1932) New Methods of Measuring Marginal Utility. Mohr, Tübingen. p. 2-3: Quoted in: Dagsvik, John K., Steinar Strøm, and Zhiyang Jia. " A stochastic model for the utility of income http://www.ssb.no/a/publikasjoner/pdf/DP/dp358.pdf." (2003).
1930s
any data having geospatial referencing
Source: Research challenges in geovisualization (2001), p. 3

Source: Refactoring: Improving the Design of Existing Code, 1999, p. 81

Source: Refactoring: Improving the Design of Existing Code, 1999, p. 81

“Data! data! data!" he cried impatiently. "I can't make bricks without clay.”
Source: The Adventure of the Copper Beeches
“No data is preferable to poor data.”
Source: Dragon's Egg (1980), Chapter 2, “Pulsar” Section 3 (p. 26)

“Errors using inadequate data are much less than those using no data at all.”
Quoted in William Kenneth Richmond (1969), The Education Industry.
May be modern paraphrase of "the errors which arise from the absence of facts" quote above.
Attributed

Source: 1910s, Our Knowledge of the External World (1914), p. 70