Across
1
Visual representation of data
4
Power to which a number is raised
5
Split into equal parts
6
Number with digits after a point
7
Mathematical rule or equation
8
Line crossing from corner to corner
11
Repeated addition
Down
2
Sum divided by count
3
Result of multiplication
9
The number representing nothing
10
Middle value in an ordered dataset
12
Steepness of a line
13
Three-sided polygon