Across
1
Middle value in an ordered dataset
5
Difference between highest and lowest values
8
Math using letters for unknown values
9
Collection of distinct elements
10
Proven mathematical statement
11
Parts per hundred
13
Reference line in a graph
Down
2
Line segment connecting two circle points
3
Number divisible only by 1 and itself
4
Part of a circle's circumference
6
Rectangular array of numbers
7
Part of a whole number
12
Mathematical statement of equality
14
Line crossing from corner to corner