x – X .084 (x – x) (y – ý) (х — ) (у — У) y – y 9.0 8.1 1.192 0.007 1.420 0.099 7.0 6.0 -1.916 -0.908 3.674 0.825 1.741 11.0 3.6 2.083 -3.308 4.340 10.945 -6.892 12.0 4.0 3.083 -2.908 9.507 8.458 -8.967 8.0 5.0 -0.917 -1.908 3.642 1.749 7.0 10.0 -1.917 3.092 9.558 -5.926 8.0 7.6 -0.917 0.692 0.840 -0.634 11.0 8.0 2.083 1.092 4.340 2.274 10.0 8.0 1,083 1.092 1.174 1.192 12.0 6.0 3.083 -0.908 9.507 0.825 6.0 8.6 -2.917 1.692 8.507 2,862 -4.934 6.0 8.0 -2.917 1.092 8.507 1.192 -3.184 107.000 82.900 Totals 8.916 y= 6.908 Sx = Sy = A 00

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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The owner of Maumee Ford-Volvo wants to study the relationship between the age of a car and its selling price. Listed below is a random sample of 12 used cars sold at the dealership during the last year. Complete the chart and the question below.

Car      Age                 (years)       Selling Price                ($000)
  1       9           8.1
  2       7       6.0  
  3       11       3.6  
  4       12       4.0  
  5       8       5.0  
  6       7       10.0  
  7       8       7.6  
  8       11       8.0  
  9       10       8.0  
  10       12       6.0  
  11       6       8.6  
  12       6       8.0

Determine the coefficient of determination: ________________
 

х — х
y – y
(x – )
(y – ý)
(x – x) (y – y)|
-
9.0
8.1
.084
1.192
0.007
1.420
0.099
7.0
6.0
-1.916
-0.908
3.674
0.825
1.741
11.0
3.6
2.083
-3.308
4.340
10.945
-6.892
12.0
4.0
3.083
-2.908
9.507
8.458
-8.967
8.0
5.0
-0.917
-1.908
3.642
1.749
7.0
10.0
-1.917
3.092
9.558
-5.926
8.0
7.6
-0.917
0.692
0.840
-0.634
11.0
8.0
2.083
1.092
4.340
2.274
10.0
8.0
1.083
1.092
1.174
1.192
12.0
6.0
3.083
-0.908
9.507
0.825
6.0
8.6
-2.917
1.692
8.507
2.862
-4.934
6.0
8.0
-2.917
1.092
8.507
1.192
-3.184
107.000 82.900
Totals
X =
8.916
y =
6.908
Sx =
Sy =
r =
Transcribed Image Text:х — х y – y (x – ) (y – ý) (x – x) (y – y)| - 9.0 8.1 .084 1.192 0.007 1.420 0.099 7.0 6.0 -1.916 -0.908 3.674 0.825 1.741 11.0 3.6 2.083 -3.308 4.340 10.945 -6.892 12.0 4.0 3.083 -2.908 9.507 8.458 -8.967 8.0 5.0 -0.917 -1.908 3.642 1.749 7.0 10.0 -1.917 3.092 9.558 -5.926 8.0 7.6 -0.917 0.692 0.840 -0.634 11.0 8.0 2.083 1.092 4.340 2.274 10.0 8.0 1.083 1.092 1.174 1.192 12.0 6.0 3.083 -0.908 9.507 0.825 6.0 8.6 -2.917 1.692 8.507 2.862 -4.934 6.0 8.0 -2.917 1.092 8.507 1.192 -3.184 107.000 82.900 Totals X = 8.916 y = 6.908 Sx = Sy = r =
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