Across
1
Rectangular array of numbers
2
Number greater than zero
5
Round shape with all points equidistant
6
Divisible by two
10
Reference line in a graph
Down
2
Parts per hundred
3
Space between two intersecting lines
4
Symbol representing unknown value
7
Visual representation of data
8
Middle value in an ordered dataset
9
Comparison of two quantities
11
The number representing nothing