Across
1
Visual representation of data
2
Round shape with all points equidistant
3
Result of multiplication
5
The number representing nothing
7
Part of a circle's circumference
9
Three-sided polygon
10
Middle value in an ordered dataset
Down
2
Value that does not change
4
Corner point of a polygon
6
Parts per hundred
7
Sum divided by count
8
System of ordered marks for measuring
11
Closed shape with straight sides
12
Symbol representing unknown value