横向
1
Comparison of two quantities
5
Sum divided by count
9
Reference line in a graph
10
Middle value in an ordered dataset
11
Space between two intersecting lines
纵向
2
Visual representation of data
3
U-shaped curve of a quadratic function
4
Rectangular array of numbers
6
Difference between highest and lowest values
7
Amount of space an object occupies
8
Line crossing from corner to corner
12
Proven mathematical statement