Question
In: Statistics and Probability
Based on the data shown below, calculate the correlation coefficient (to three decimal places) x y...
Based on the data shown below, calculate the correlation
coefficient (to three decimal places)
| x | y |
|---|---|
| 1 | 7.58 |
| 2 | 7.32 |
| 3 | 9.06 |
| 4 | 8.1 |
| 5 | 5.84 |
| 6 | 6.58 |
| 7 | 8.32 |
| 8 | 4.46 |
| 9 | 5.9 |
| 10 | 7.44 |
| 11 | 3.48 |
| 12 | 4.02 |
| 13 | 3.16 |
| 14 | 2.3 |
Solutions
Expert Solution
Number of observation (n) =14
 |
 |
 |
 |
 |
| 1 | 7.58 | 1 | 57.4564 | 7.58 |
| 2 | 7.32 | 4 | 53.5824 | 14.64 |
| 3 | 9.06 | 9 | 82.0836 | 27.18 |
| 4 | 8.1 | 16 | 65.6100 | 32.4 |
| 5 | 5.84 | 25 | 34.1056 | 29.2 |
| 6 | 6.58 | 36 | 43.2964 | 39.48 |
| 7 | 8.32 | 49 | 69.2224 | 58.24 |
| 8 | 4.46 | 64 | 19.8916 | 35.68 |
| 9 | 5.9 | 81 | 34.8100 | 53.1 |
| 10 | 7.44 | 100 | 55.3536 | 74.4 |
| 11 | 3.48 | 121 | 12.1104 | 38.28 |
| 12 | 4.02 | 144 | 16.1604 | 48.24 |
| 13 | 3.16 | 169 | 9.9856 | 41.08 |
| 14 | 2.3 | 196 | 5.2900 | 32.2 |
 |
 |
 |
 |
 |
orchestra answered 1 year agoRelated Solutions
Based on the data shown below, calculate the correlation coefficient (rounded to three decimal places) x...
Based on the data shown below, calculate the correlation
coefficient (rounded to three decimal places)
x
y
2
1.6
3
2.67
4
3.84
5
3.71
6
0.48
7
1.75
8
3.42
9
0.89
10
1.96
11
3.13
12
0.1
Find the correlation coefficient and report it accurate to three decimal places.
Here is a bivariate data set.
x
y
77.2
35
84
32.8
68.1
34.9
81
27.8
91.3
25.6
79.9
30.1
80.9
30
90.3
27.1
69.3
29.3
73.3
34.3
86
31
Find the correlation coefficient and report it accurate to three
decimal places.
r =
Based on the data shown below, calculate the regression line (each value to two decimal places)...
Based on the data shown below, calculate the regression line
(each value to two decimal places)
y = x +
x
y
1
9.94
2
10.38
3
9.92
4
14.46
5
14.6
6
12.24
7
14.58
Based on the data shown below, calculate the regression line (each value to two decimal places)...
Based on the data shown below, calculate the regression line
(each value to two decimal places)
y = _____ x + _______
x
y
4
33.1
5
32.2
6
29.4
7
26.7
8
25.2
9
24.8
10
22.2
11
19.4
12
17.8
13
16.4
14
13.1
15
11.3
Based on the data shown below, calculate the regression line (each value to two decimal places)...
Based on the data shown below, calculate the regression line
(each value to two decimal places)
y = _____ x + _______
x
y
4
33.1
5
32.2
6
29.4
7
26.7
8
25.2
9
24.8
10
22.2
11
19.4
12
17.8
13
16.4
14
13.1
15
11.3
Based on the data shown below, calculate the regression line (each value to two decimal places)...
Based on the data shown below, calculate the regression line
(each value to two decimal places)
y =_____ x + ____
x
y
4
33.1
5
32.2
6
29.4
7
26.7
8
25.2
9
24.8
10
22.2
11
19.4
12
17.8
13
16.4
14
13.1
15
11.3
Based on the data shown below, calculate the regression line (each value to two decimal places)...
Based on the data shown below, calculate the regression line
(each value to two decimal places)
y = x +
x
y
2
39.27
3
37.18
4
31.79
5
30.1
6
27.41
7
25.82
8
24.23
9
19.04
10
17.15
11
16.36
12
15.17
13
10.78
14
7.69
15
4.2
Based on the data shown below, calculate the regression line (each value to two decimal places)...
Based on the data shown below, calculate the regression line
(each value to two decimal places)
y = x +
x
y
1
27.54
2
27.73
3
23.42
4
23.21
5
22.4
6
21.29
7
19.18
8
18.37
9
16.66
10
15.45
11
14.34
12
10.83
13
11.52
14
9.21
15
5.5
Based on the data shown below, calculate the regression line (each value to two decimal places)...
Based on the data shown below, calculate the regression line
(each value to two decimal places)
y = x +
x
y
4
13.72
5
18.65
6
17.38
7
17.41
8
20.44
9
21.97
10
21.5
11
20.63
12
25.16
13
22.29
14
24.82
15
24.65
Using the data below find the linear correlation coefficient. x y xy
Using the data below find the linear correlation
coefficient.
x
y
xy
x2
y2
3
4
12
9
16
4
6
24
16
36
5
7
35
25
49
7
12
84
49
144
8
14
112
64
196
___________________________________________
27
43
267
163
441
Also, utilizing the above data, find the slope and
intercept.
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