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The degree of closeness of measurements of a quantity to the actual (or accepted) value. 


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Arrowheads are used to indicate the end of a dimension line or leader. 


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A measuring instrument having two adjustable jaws typically used to measure diameter or thickness. 


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A group of values that is used to analyze the distribution of data. 


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To change money, stocks, or units in which a quantity is expressed into others of a different kind. 


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Facts and statistics used for reference or analysis. 


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A group of individual values or bits of information that are related in some way or have some common characteristic or attribute. 


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A measurable extent, such as the three principal dimensions of an object as in width, height, and depth 


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A line which represents distance 


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The rate at which something occurs over a particular period or in a given sample. 


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A diagram showing the relation between variable quantities, typically of two variables measured along a pair of lines at right angles. 


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A graph of vertical bars representing the frequency distribution of a set of data 


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International Organization for Standardization 

Definition
A nongovernmental global organization whose principal activity is the development of technical standards through consensus. 


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International System of Units 

Definition
An international system of units of measurement consisting of seven base units. 


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A method of visually displaying a distribution of data values where each data value is shown as a dot or mark above a number line. Also known as a dot plot 


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A measure of center in a set of numerical data, computed by adding the values in a list and then dividing by the number of values in the list. 


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To determine the size, amount, or degree of an object by comparison with a standard unit. 


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A measure of center in a set of numerical data. The median of a list of values is the value appearing at the center of a sorted version of the list – or the mean of the two central values if the list contains an even number of values 


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The value that occurs most frequently in a given data set. 


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A function that represents the distribution of variables as a symmetrical bellshaped graph. 


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A number value or algebraic equation that is used to control the size or location of a geometric figure. 


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The degree to which repeated measurements show the same result. 


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1. A straightedged strip of rigid material marked at regular intervals and used to measure distances. 2. A proportion between two sets of dimensions used in developing accurate, larger or smaller prototypes, or models of design ideas. 


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A graph in the coordinate plane representing a set of bivariate data. 


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The digits in a decimal number that carry meaning contributing to the precision or accuracy of the quantity. 


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The distance of a value in a population (or sample) from the mean value of the population (or sample). 


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Collection of methods for planning experiments, obtaining data, organizing, summarizing, presenting, analyzing, interpreting, and drawing conclusions based on data. 


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A standard quantity in terms of which other quantities may be expressed. 


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US Customary Measurement System 

Definition
System of measurement used in the United States. 


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A change or slight difference in condition, amount, or level 

