James m Lou 2 m
Rob 3 m
Teri 4 m
Shawn 4 m
Skip 3 m
Art 2 m
Jim m
Eight students in a small class made the test scores shown in the table. What was the mean absolute deviation for the class?
A) m
B) 2.5m
C) 4m
D) 8m

Astudent draws two parabolas on graph paper. both parabolas cross the x-axis at (-4, 0) and (6,0). the y-intercept of thefirst parabola is (0, –12). the y-intercept of the second parabola is (0-24). what is the positive difference between the avalues for the two functions that describe the parabolas? write your answer as a decimal rounded to the nearest tenth.