Chapter 2 Flashcards
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
