Definitely Graph C.
The dots are aligned correctly to the line better than the other graphs.
Answer:
Mean = 4
Step-by-step explanation:

Y=mx+b b is the y intercept which is 4
m is the slope which is rise over run which is -4/2 which is -2
Linear y=-2x+4
By dividing the area of the polygon with the circles area.
If there are 150 calories in 3/4 servings divide 150 by 3 and you get 50 ..you add 50 calories for the 1/4 servings which gives you 200 calories per serving