Answer:
1
Step-by-step explanation:
I think it is C because it is in the positive and negitive
A) Y1-Y2/X1-X2
9-4/8-(-2) = 5/10= 1/2
b) 1/2x+b=y <-- plug in a point
1/2(-2)+b=4 <--plugged in (-2,4)
-1+b=4 <-- simplify/solve
b=5
c) 1/2x+5=y
Answer:
0.125
Step-by-step explanation:
5/40 simulated results were at or below mean 16.5