Across
1
Value that does not change
5
Result of raising a number to an exponent
6
Exact correspondence on both sides
7
Parts per hundred
Down
2
Difference between highest and lowest values
3
Mathematical rule or equation
4
Collection of distinct elements
8
Corner point of a polygon
9
Middle value in an ordered dataset
10
Sum divided by count
11
Number divisible only by 1 and itself