Across
1
Lines that never intersect
6
Rectangular array of numbers
8
Reference line in a graph
9
Visual representation of data
10
Result of addition
Down
2
Corner point of a polygon
3
Amount of space an object occupies
4
Middle value in an ordered dataset
5
Steepness of a line
7
Exact correspondence on both sides
11
Single numeral from 0 to 9