the standard measurement system based on units of 10
metric system
Material or energy that goes into a system
Input
an action or series of actions that happen within the system
Process
the material or energy that comes out of a system
output
Output that changes a system in some way
Feedback
A group of parts that work together to carry out a function
System
A representation of an object or a process
model
the percent difference between the known value or a substance and its measured value
percent error
data that does not fit with the rest of a data set
Anomalous data
the numerical average of a set of data
Mean
the middle number in an ordered set of data
Median
the number that appears most often in a list of numbers
mode
the difference between the greatest value in a set of numbers and the least value
Range
how close the measurement is to the true or accepted value
accuracy
how close a group of measurements are to each other
precision
the measure of the amount of matter in an object
Mass
measurement of the distance from one point to another
length
the measure of the force of gravity acting on object
weight
the amount of space taken up by an object or substance
volume
the measure of how much mass is contained in a given volume
Density
A line graph in which the data points yield a straight line
Linear graph
A graph in which the data points do not fall along a straight line
nonlinear graph
an approximation of a number based on a reasonable assumption
estimate