Various - statics
When the categories may be ordered, these are called ordinal variables. Categorical variables that judge size (small, medium, large, etc.) are ordinal variables. Attitudes (strongly disagree, disagree, neutral, agree, strongly agree) are also ordinal variables, however we may not know which value is the best or worst of these issues. Note that the distance between these categories is not something we can measure.
Thoroughly revised with more than 300 new formulas, this compact yet comprehensive compilation puts essential data related to the design and analysis of engineering structures at your fingertips. Structural Engineering Formulas, Second Edition covers a wide range of topics, including statics, soils, foundations, retaining structures, pipes, and tunnels, and explains the use and application of each ready-to-use formula. This time-saving reference for civil engineers is also invaluable to students and those studying for licensing exams.
Other BLS programs that publish wage data (though not by detailed occupation) are Employment Cost Trends, Current Employment Statistics, and Quarterly Census of Employment and Wages .