FIN 401 Homework
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The table below reports data consisting of 30 observations. Each observation contains two values (one for Y and one for X). Please construct a linear regression of the structure: Y = a + bX.
What is the magnitude of the coefficient b in this model?
Y X
161 46
205 63
301 97
115 30
251 81
89 25
290 94
159 52
46 21
259 88
212 64
301 98
174 54
149 42
130 42
249 79
297 95
229 66
109 59
129 47
212 65
200 67
180 57
303 97
231 73
225 71
138 42
138 42
270 86
192 60
Question 1 options:
5.630
3.035
0.998
20.442
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Question 2 (1 point)
The table below consists of 30 observations where each observation includes two values (Y and X). Please estimate the following linear formulation using the table below:
Y = a + b X
and please use the estimated model to predict the value of Y when X is 50.
Y X
161 46
205 63
301 97
115 30
251 81
89 25
290 94
159 52
46 21
259 88
212 64
301 98
174 54
149 42
130 42
249 79
297 95
229 66
109 59
129 47
212 65
200 67
180 57
303 97
231 73
225 71
138 42
138 42
270 86
192 60
Question 2 options:
157.37
155.25
158.39
151.95
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Question 3 (1 point)
Please use the dataset from the table below to estimate the following linear regression model:
Y = a + b X
What is the residual for the very first observation in the dataset (Y=161, X=46)?
Y X
161 46
205 63
301 97
115 30
251 81
89 25
290 94
159 52
46 21
259 88
212 64
301 98
174 54
149 42
130 42
249 79
297 95
229 66
109 59
129 47
212 65
200 67
180 57
303 97
231 73
225 71
138 42
138 42
270 86
192 60
Question 3 options:
15.772
11.852
17.995
none of the above
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Question 4 (1 point)
The table below contains 30 observations, each containing Y and X values. Please estimate the following linear regression model on this dataset:
Y = a + b X
In this estimation, what is the...