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Flashcards in Chapter 2 Deck (23):
1

the standard measurement system based on units of 10

metric system

2

Material or energy that goes into a system

Input

3

an action or series of actions that happen within the system

Process

3

the material or energy that comes out of a system

output

4

Output that changes a system in some way

Feedback

5

A group of parts that work together to carry out a function

System

6

A representation of an object or a process

model

7

the percent difference between the known value or a substance and its measured value

percent error

8

data that does not fit with the rest of a data set

Anomalous data

9

the numerical average of a set of data

Mean

10

the middle number in an ordered set of data

Median

11

the number that appears most often in a list of numbers

mode

12

the difference between the greatest value in a set of numbers and the least value

Range

13

how close the measurement is to the true or accepted value

accuracy

14

how close a group of measurements are to each other

precision

15

the measure of the amount of matter in an object

Mass

16

measurement of the distance from one point to another

length

17

the measure of the force of gravity acting on object

weight

18

the amount of space taken up by an object or substance

volume

19

the measure of how much mass is contained in a given volume

Density

20

A line graph in which the data points yield a straight line

Linear graph

21

A graph in which the data points do not fall along a straight line

nonlinear graph

22

an approximation of a number based on a reasonable assumption

estimate