Answer:
For a data set of N elements:
{x₁, x₂, ..., xₙ}
The mean is:

The mean absolute deviation is:

And the population standard deviation is:

In this case, our set has 5 elements, and the set is:
{2, 4, 6, 9, 14}
The mean of this set is:

The mean absolute deviation is:

And the population standard deviation is:

Answer:
scatter plot A: -0.90
scatter plot B: 0.89
scatter plot C: -0.76
scatter plot D: 0.55
Step-by-step explanation:
if the line is going down, it's negative and if it goes up it's positive. The closer the points are <em>the higher the number</em>.
HOPE THIS HELPS!!
For Question 3,
15 ?
__ = ____
120 100
120?=1500
1500/120=12.5
?=12.5%
Question 4
I think it is $462.80
Answer:
-15
Step-by-step explanation:
g(x) = 3x + 3
Let x = -6
g(-6) = 3*-6 + 3
= -18 +3
= -15