P(x) = 25^2 -24x + 615
P(8) = 25(8 squared) -24(8) +615 = 2023
The interval level of measurement is a number scale that classifies both order and the value change between each number. For example, a ruler has intervals 1, 2, and 3 inches. The distance between 1 to 2 inches is the same as the distance between 3 to 4 inches.