Across
1
Sum divided by count
5
Longest side of a right triangle
6
Exact correspondence on both sides
7
System of ordered marks for measuring
8
Middle value in an ordered dataset
10
Split into equal parts
Down
1
Space between two intersecting lines
2
Collection of distinct elements
3
Visual representation of data
4
Total distance around a shape
6
Steepness of a line
7
Rectangle with four equal sides
9
Symbol representing unknown value