A collection of information expressed as numbers
Data
A reference line drawn on a graph.
Axis
To bring two or more numbers together to make a new total.
Add
Title
Favorite Color
The average of the numbers.
Mean
A graph that displays data as dots on a number line.
Dot plot
Going side-to-side
Horizontal
To split into equal parts or groups.
Divide
Name the Y-Axis
Number of Children
Find the Mean 6, 11, 7
The Mean is 8
A graph that displays data using bars of different heights.
Histogram
Going in an up-down direction.
Vertical
A collection of "things" (objects or numbers).
Set
Name the X Axis
Colors
The middle of a sorted list of numbers.
Median
Plotted Values, usually shown as lines with a horizontal and vertical axis.
Graph
Smallest
Least
A calculated "central" value of a set of numbers.
Average
Most Data
Green (20 children)
Find the Median of 12, 3 and 5
The middle is 5, so the median is 5.
Put them in order:
3, 5, 12
A line with numbers placed in their correct position.
Number Line
Largest, greater than
Most
To find a value that is close enough to the right answer, usually with some thought or calculation involved.
Estimate
Least Data
Yellow (10 children)
The number which appears most often
Mode