Across
1
Middle value in an ordered dataset
4
Reference line in a graph
5
Visual representation of data
6
Number less than zero
8
Line segment connecting two circle points
9
Part of a circle's circumference
10
Three-sided polygon
11
Number that divides evenly into another
Down
2
System of ordered marks for measuring
3
Space between two intersecting lines
7
Line crossing from corner to corner