L 1.3 Vocabulary
American National Standards Institute (ANSI) - A private, non-profit organization that coordinates the development and use of voluntary consensus standards in the United States.
Accuracy - The condition or quality of being true, correct, or exact; precision; exactness
Caliper - A measuring instrument having two usually adjustable jaws used especially to measure diameter or thickness.
Class Interval - A group of values that is used to analyze the distribution of data.
Convert - To change money, stocks, or units in which a quantity is expressed into others of a different kind.
Data - Facts and statistics used for reference or analysis.
Data Set - A group of individual values or bits of information that are related in some way or have some common characteristic or attribute.
Dimension - A measurable extent, such as the three principal dimensions of an object is width, height, and depth.
Dimension Lines - Lines that are thin lines capped with arrowheads, which may be broken along their length to provide space for the dimension numerals.
English System - The measuring system based on the foot, second, and pound as units of length, time, and weight or mass.
Extension Lines - Thin lines used to establish the extent of a dimension.
Foot - A unit of linear measure equal to 12 inches
Frequency - The rate at which something occurs over a particular period or in a given sample.
Graph - A diagram showing the relation between variable quantities, typically of two variables measured along a pair of lines at right angles.
Histogram - A graph of vertical bars representing the frequency distribution of a set of data.
Inch - A unit of linear measure equal to one twelfth of a foot or 2.54 cm.
International Organization for Standardization (ISO) - A non-governmental global organization whose principal activity is the development of technical standards through consensus.
Mean - The average or central value of a set of quantities.
Measure - To determine the size, amount, or degree of something by comparison with a standard unit.
Median - Referring to the middle term or mean of the middle two terms of a series of values arranged in order of magnitude.
Meter - The fundamental unit of length in the metric system, equal to 100 centimeters or approximately 39.37 inches.
Metric System - The decimal measuring system based on the meter, liter, and gram as units of length, capacity, and weight or mass.
Millimeter - A metric unit of linear measure equal to 1/1000 of a meter.
Mode - The value that occurs most frequently in a given data set.
Normal Distribution - A function that represents the distribution of variables as a symmetrical bell-shaped graph.
Numeric Constraint - A number value, or algebraic equation that is used to control the size or location of a geometric figure
Precision - Exact in measuring, recording, etc.
Scale - A proportion between two sets of dimensions used in developing accurate, larger or smaller prototypes, or models of design ideas.
Standard - Something considered by an authority or by general consent as a basis of comparison.
Statistics - Collection of methods for planning experiments, obtaining data, organizing, summarizing, presenting, analyzing, interpreting, and drawing conclusions based on data.
Two-Dimensional - Having the dimensions of height and width, height and depth, or width and depth only.
Unit - A standard quantity in terms of which other quantities may be expressed.
Variation - A change or slight difference in condition, amount, or level.