Answer:
Y=2/3x+17/3
Step-by-step explanation:
R = monthly loan rate = 5.7 / 1200 =
<span>
<span>
<span>
0.00475
</span>
</span>
</span>
n - number of payments
p - principal
Total Loan Cost = (r * p * n) / [1-(1+r)^-n]
Total Loan Cost = (
<span>
<span>
<span>
0.00475
</span>
</span>
</span>
* 100,000 * 24) / [1 -(1<span>.00475)^-24]
</span>Total Loan Cost = 11,400 / 1 -(1.00475^-24)
Total Loan Cost = 11,400 / 1 -<span><span>.8924988049
</span>
</span><span>Total Loan Cost = 11,400 /
</span>
<span>
<span>
<span>
0.1075011951
</span>
</span>
</span>
Total Loan Cost =
<span>
<span>
<span>
106,045.33
</span>
</span>
</span>
Source:
http://www.1728.org/loanfrm4.htm
The formula for the sum of the squares of the deviations is
SS = s² (N -1)
We are given
SS = 316
N = 9
Substituting
316 = s² (9 - 1)
Solving for s
s = 6.28
The standard deviation is 6.28