Across
1
Collection of distinct elements
3
Rectangular array of numbers
4
Part of a circle's circumference
6
Line touching circle at one point
Down
2
Number that divides evenly into another
4
Sum divided by count
5
Reference line in a graph
7
Steepness of a line
8
Middle value in an ordered dataset
9
Single numeral from 0 to 9
10
Number greater than zero