Suppose that you have the following model and data to estimate the following equation; Nobs Y X2 X3 1 1 1 3 2 2 2 2 3 4 4 5 4 3 3 4 5 2 5 1 Find the OLS estimators for the parameters using the matrices above.

ENGR.ECONOMIC ANALYSIS
14th Edition
ISBN:9780190931919
Author:NEWNAN
Publisher:NEWNAN
Chapter1: Making Economics Decisions
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Question

Suppose that you have the following model and data to estimate the following equation;

 Nobs

Y

X2

X3

 

 

 

1

1

1

3

 

 

2

2

2

2

 

 

3

4

4

5

 

 

4

3

3

4

 

 

5

2

5

1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

  

Find the OLS estimators for the parameters using the matrices above. 

95th Percentile Values
for the F Distribution
0.95
(vi degrees of freedom in numerator)
(v2 degrees of freedom in denominator)
0.05
.95
1 2 3 4 s 6
7
8
9
10
12
15
20
24
30
40
60
120
1
161
200
216
225
230 234
237
239
241
242
244
246
248
249
250
251
252
253 254
18.5 19.0 19.2 | 19.2 | 19.3| 19.3
9.55 9.28 9.12 9.01 8.94 | 8.89 8.85
2
19.4 | 19.4 19.4 | 19.4 | 19.4 19.4 | 19.4 19.5
19.5 19.5 19.5
19.5| 19,5
8.81 8.79 8.74 8.70 |8.66 8.64 | 8.62 8.59 8.57 8.55 8.53
6.00 5.96 5.91 5.86 5.80 5.77 5.75 5.72
3
10.1
7.71
6.94 6.59 6.39 6.26 6.16 6.09 | 6.04
5.69
5.66| 5.63
5
6.61 5.79 5.41 5.19| 5.05 4.95 4.88 4.82 4.77 4.74 4.68 4.62 4.56 4.53 4.50 4.46 4.43
4.40 4.37
6
5.99 5.14 4.76 4.53
4.39 4.28 4.21 |4.15
4.10 4.06 | 4.00 3.94 | 3.87 3.84 3.81 3.77 3.74 3.70 3.67
7
5.59 4.74 4.35 4.12 3.97 3.87 3.79 3.73 3.68 | 3.64 | 3.57 3.51
3.44 3.41 | 3.38 3.34 3.30 3.27 3.23
5.32 4.46 4.07 3.84 3.69 3.58 3.50 3.44
3.39 3.35 | 3.28 3.22 3.15 3.12 | 3.08 3.04 3.01 2.97 2.93
9
5.12 4.26 3.86 3.63| 3.48 3.37 3.29 | 3.23 3.18| 3.14 | 3.07 3.01
2.94 | 2.90 | 2.86 2.83 | 2.79
2.75 2.71
10
4.96 4.10 3.71 |3.48 3.33 3.22
3.14 3.07
3.02 2.98 | 2.91 | 2.85| 2.77 2.74 2.70 |2.66 2.62
2.58 2.54
11
4.84 3.98 3.59 3.36 3.20 3.09
3.01 2.95 2.90 2.85 2.79 2.72 2.65 2.61 2.57 2.53 2.49 2.45 2.40
12
4.75
3.89 3.49 3.26 | 3.11 3.00 2.91 |2.85
2.80 2.75 | 2.69 2.62
2.54 2.51 2.47 2.43 2.38 2.34 2.30
13
4.67
3.81 3.41 3.18 | 3.03 2.92 2.83 2.77 2.71 2.67 | 2.60 2.53 | 2.46 2.42 | 2.38 2.34 2.30
2.25 2.21
14
4.60 3.74 3.34 3.11 | 2.96 2.85 2.76 2.70 2.65 2.60 | 2.53 2.46 2.39 2.35 2.31 2.27| 2.22 2.18 2.13
15
4.54 3.68 3.29 3.06 2.90 2.79 2.71 2.64 2.59 | 2.54 2.48 2.40 2.33 2.29 2.25 2.20| 2.16 2.11 2.07
4.49 3.63 3.24 3.01
4.45 3.59 3.20 2.96 2.81 2.70 | 2.61 2.55
16
2.85 2.74 2.66 | 2.59 2.54 2.49 | 2.42 2.35 2.28 2.24 | 2.19 | 2.15 2.11
2.06 2.01
17
2.49 2.45 2.38 2.31
2.23 2.19| 2.15 2.10 2.06 2.01 | 1.96
18
4.41
3.55 3.16 2.93
2.77 2.66 | 2.58 2.51
2.46 2.41
2.34 2.27 2.19 | 2.15 | 2.11 2.06
2.02
1.97| 1.92
4.38 3.52 3.13 2.90 | 2.74 2.63 | 2.54 2.48 2.42 2.38 | 2.31| 2.23 2.16 2.11 2.07 2.03
2.39 2.35 2.28 2.20 2.12 2.08 2.04 1.99
19
1.98
1.93 1.88
20
4.35 3.49 3.10 2.87 2.71 2.60 | 2.51 2.45
1.95
1.90 1.84
21
4.32 3.47 3.07 |2.84| 2.68 2.57
2.49 2.42 2.37 2.32 2.25 2.18 2.10 2.05 2.01| 1.96 | 1.92
1.87 | 1.81
22
4.30 3.44 3.05 2.82 2.66 2.55 2.46 2.40 2.34 2.30 | 2.23 2.15 2.07 2.03| 1.98 | 1.94 1.89
1.84 1.78
23
4.28 3.42 3.03 2.80 2.64 2.53 | 2.44 2.37
2.32 2.27 2.20 2.13 2.05 2.01 1.96 | 1.91| 1.86 1.81 1.76
4.26 3.40 3.01 2.78 2.62 2.51 2.42 2.36 2.30 2.25 2.18 2.11
2.03| 1.98 | 1.94 | 1.89 1.84 1.79 1.73
3.39 2.99 | 2.76 2.60 | 2.49 2.40 2.34 2.28 2.24 | 2.16 2.09 | 2.01 1.96 1.92 | 1.87 1.82 1.77 1.71
24
25
4.24
26
4.23 3.37 2.98 | 2.74 2.59 2.47 2.39 2.32 2.27 2.22 | 2.15 2.07
1.99 | 1.95 1.90 1.85 1.80
1.75 1.69
3.35 2.96 2.73 2.57 2.46 2.37 2.31
2.25 2.20 2.13 2.06
2.56 2.45 2.36 2.29 2.24 2.19 2.12 2.04
27
4.21
1.97 1.93 1.88 | 1.84 | 1.79
1.73 1.67
28
4.20 3.34 2.95 2.71
1.96 1.91| 1.87 1.82| 1.77
1.71|1.65
29
4.18
3.33 2.93 2.70 2.55 2.43 2.35 2.28
2.22 2.18 2.10 2.03 | 1.94 1.90 1.85 | 1.81
1.75
1.70 | 1.64
1.93 1.89 1.84 | 1.79 1.74
4.17 3.32 2.92 | 2.69 | 2.53 2.42 | 2.33 2.27 2.21| 2.16 | 2.09 2.01
4.08 3.23 2.84 2.61
30
1.68 | 1.62
2.45 2.34 2.25 2.18 2.12 2.08 | 2.00| 1.92
4.00 3.15 2.76 2.53 2.37 2.25 2.17 2.10 2.04 1.99 1.92 1.84
40
1.84 1.79 1.74 1.69 | 1.64
1.58 | 1.51
60
1.75 1.70 1.65 1.59 1.53 1.47 1.39
3.92 3.07 2.68 2.45 2.29 2.18 | 2.09 2.02
1.96 1.91| 1.83 1.75
1.43 1.35 1.25
1.66 1.61| 1.55 1.50
1.57 1.52 1.46 | 1.39 1.32
120
3.84 3.00 2.60 2.37 2.21 2.10 2.01 1.94 1.88 1.83 | 1.75 1.67
1.22 | 1.00
-
Transcribed Image Text:95th Percentile Values for the F Distribution 0.95 (vi degrees of freedom in numerator) (v2 degrees of freedom in denominator) 0.05 .95 1 2 3 4 s 6 7 8 9 10 12 15 20 24 30 40 60 120 1 161 200 216 225 230 234 237 239 241 242 244 246 248 249 250 251 252 253 254 18.5 19.0 19.2 | 19.2 | 19.3| 19.3 9.55 9.28 9.12 9.01 8.94 | 8.89 8.85 2 19.4 | 19.4 19.4 | 19.4 | 19.4 19.4 | 19.4 19.5 19.5 19.5 19.5 19.5| 19,5 8.81 8.79 8.74 8.70 |8.66 8.64 | 8.62 8.59 8.57 8.55 8.53 6.00 5.96 5.91 5.86 5.80 5.77 5.75 5.72 3 10.1 7.71 6.94 6.59 6.39 6.26 6.16 6.09 | 6.04 5.69 5.66| 5.63 5 6.61 5.79 5.41 5.19| 5.05 4.95 4.88 4.82 4.77 4.74 4.68 4.62 4.56 4.53 4.50 4.46 4.43 4.40 4.37 6 5.99 5.14 4.76 4.53 4.39 4.28 4.21 |4.15 4.10 4.06 | 4.00 3.94 | 3.87 3.84 3.81 3.77 3.74 3.70 3.67 7 5.59 4.74 4.35 4.12 3.97 3.87 3.79 3.73 3.68 | 3.64 | 3.57 3.51 3.44 3.41 | 3.38 3.34 3.30 3.27 3.23 5.32 4.46 4.07 3.84 3.69 3.58 3.50 3.44 3.39 3.35 | 3.28 3.22 3.15 3.12 | 3.08 3.04 3.01 2.97 2.93 9 5.12 4.26 3.86 3.63| 3.48 3.37 3.29 | 3.23 3.18| 3.14 | 3.07 3.01 2.94 | 2.90 | 2.86 2.83 | 2.79 2.75 2.71 10 4.96 4.10 3.71 |3.48 3.33 3.22 3.14 3.07 3.02 2.98 | 2.91 | 2.85| 2.77 2.74 2.70 |2.66 2.62 2.58 2.54 11 4.84 3.98 3.59 3.36 3.20 3.09 3.01 2.95 2.90 2.85 2.79 2.72 2.65 2.61 2.57 2.53 2.49 2.45 2.40 12 4.75 3.89 3.49 3.26 | 3.11 3.00 2.91 |2.85 2.80 2.75 | 2.69 2.62 2.54 2.51 2.47 2.43 2.38 2.34 2.30 13 4.67 3.81 3.41 3.18 | 3.03 2.92 2.83 2.77 2.71 2.67 | 2.60 2.53 | 2.46 2.42 | 2.38 2.34 2.30 2.25 2.21 14 4.60 3.74 3.34 3.11 | 2.96 2.85 2.76 2.70 2.65 2.60 | 2.53 2.46 2.39 2.35 2.31 2.27| 2.22 2.18 2.13 15 4.54 3.68 3.29 3.06 2.90 2.79 2.71 2.64 2.59 | 2.54 2.48 2.40 2.33 2.29 2.25 2.20| 2.16 2.11 2.07 4.49 3.63 3.24 3.01 4.45 3.59 3.20 2.96 2.81 2.70 | 2.61 2.55 16 2.85 2.74 2.66 | 2.59 2.54 2.49 | 2.42 2.35 2.28 2.24 | 2.19 | 2.15 2.11 2.06 2.01 17 2.49 2.45 2.38 2.31 2.23 2.19| 2.15 2.10 2.06 2.01 | 1.96 18 4.41 3.55 3.16 2.93 2.77 2.66 | 2.58 2.51 2.46 2.41 2.34 2.27 2.19 | 2.15 | 2.11 2.06 2.02 1.97| 1.92 4.38 3.52 3.13 2.90 | 2.74 2.63 | 2.54 2.48 2.42 2.38 | 2.31| 2.23 2.16 2.11 2.07 2.03 2.39 2.35 2.28 2.20 2.12 2.08 2.04 1.99 19 1.98 1.93 1.88 20 4.35 3.49 3.10 2.87 2.71 2.60 | 2.51 2.45 1.95 1.90 1.84 21 4.32 3.47 3.07 |2.84| 2.68 2.57 2.49 2.42 2.37 2.32 2.25 2.18 2.10 2.05 2.01| 1.96 | 1.92 1.87 | 1.81 22 4.30 3.44 3.05 2.82 2.66 2.55 2.46 2.40 2.34 2.30 | 2.23 2.15 2.07 2.03| 1.98 | 1.94 1.89 1.84 1.78 23 4.28 3.42 3.03 2.80 2.64 2.53 | 2.44 2.37 2.32 2.27 2.20 2.13 2.05 2.01 1.96 | 1.91| 1.86 1.81 1.76 4.26 3.40 3.01 2.78 2.62 2.51 2.42 2.36 2.30 2.25 2.18 2.11 2.03| 1.98 | 1.94 | 1.89 1.84 1.79 1.73 3.39 2.99 | 2.76 2.60 | 2.49 2.40 2.34 2.28 2.24 | 2.16 2.09 | 2.01 1.96 1.92 | 1.87 1.82 1.77 1.71 24 25 4.24 26 4.23 3.37 2.98 | 2.74 2.59 2.47 2.39 2.32 2.27 2.22 | 2.15 2.07 1.99 | 1.95 1.90 1.85 1.80 1.75 1.69 3.35 2.96 2.73 2.57 2.46 2.37 2.31 2.25 2.20 2.13 2.06 2.56 2.45 2.36 2.29 2.24 2.19 2.12 2.04 27 4.21 1.97 1.93 1.88 | 1.84 | 1.79 1.73 1.67 28 4.20 3.34 2.95 2.71 1.96 1.91| 1.87 1.82| 1.77 1.71|1.65 29 4.18 3.33 2.93 2.70 2.55 2.43 2.35 2.28 2.22 2.18 2.10 2.03 | 1.94 1.90 1.85 | 1.81 1.75 1.70 | 1.64 1.93 1.89 1.84 | 1.79 1.74 4.17 3.32 2.92 | 2.69 | 2.53 2.42 | 2.33 2.27 2.21| 2.16 | 2.09 2.01 4.08 3.23 2.84 2.61 30 1.68 | 1.62 2.45 2.34 2.25 2.18 2.12 2.08 | 2.00| 1.92 4.00 3.15 2.76 2.53 2.37 2.25 2.17 2.10 2.04 1.99 1.92 1.84 40 1.84 1.79 1.74 1.69 | 1.64 1.58 | 1.51 60 1.75 1.70 1.65 1.59 1.53 1.47 1.39 3.92 3.07 2.68 2.45 2.29 2.18 | 2.09 2.02 1.96 1.91| 1.83 1.75 1.43 1.35 1.25 1.66 1.61| 1.55 1.50 1.57 1.52 1.46 | 1.39 1.32 120 3.84 3.00 2.60 2.37 2.21 2.10 2.01 1.94 1.88 1.83 | 1.75 1.67 1.22 | 1.00 -
TABLE D.2
PERCENTAGE POINTS OF THE I DISTRIBUTION
Example
Pr (t > 2.086) = 0.025
Pr (t > 1.725) = 0.05
for df = 20
0.05
Pr (|t| > 1.725) = 0.10
1.725
Pr
df
0.25
0.50
0.005
0.010
0.10
0.05
0.10
0.025
0.05
0.01
0.02
0.001
0.002
0.20
63.657
9.925
1
1.000
3.078
6.314
12.706
31.821
318.31
6.965
4.541
0.816
1.886
2.920
4.303
22.327
0.765
0.741
3
1.638
2.353
3.182
5.841
10.214
4
1.533
2.132
2.776
3.747
4.604
7.173
0.727
1.476
2.015
2.571
3.365
4.032
5.893
3.707
3.499
0.718
1.440
1.943
2.447
3.143
5.208
7
0.711
1.415
1.895
2.365
2.998
4.785
0.706
0.703
8
1.397
1.860
2.306
2.896
3.355
4.501
9
1.383
1.833
2.262
2.821
3.250
4.297
10
0.700
1.372
1.812
2.228
2.764
3.169
4.144
11
0.697
1.363
1.796
2.201
2.718
3.106
4.025
12
0.695
1.356
1.782
2.179
2.681
3.055
3.930
1.350
1.345
13
0.694
1.771
2.160
2.650
3.012
3.852
14
0.692
1.761
2.145
2.624
2.977
3.787
15
0.691
1.341
1.753
2.131
2.602
2.947
3.733
16
0.690
1.337
1.746
2.120
2.583
2.921
3.686
2.898
2.878
2.861
1.740
2.110
2.567
2.552
17
0.689
1.333
3.646
0.688
0.688
1.330
1.328
3.610
3.579
18
1.734
2.101
19
1.729
2.093
2.539
20
0.687
1.325
1.725
1.721
2.086
2.528
2.845
3.552
0.686
0.686
1.323
2.518
2.831
2.819
21
2.080
3.527
22
1.321
1.717
2.074
2.508
3.505
23
0.685
1.319
1.714
2.069
2.500
2.807
3.485
24
0.685
1.318
1.711
2.064
2.492
2.797
3.467
1.316
1.315
25
0.684
1.708
2.485
2.060
2.056
2.787
3.450
3.435
26
0.684
1.706
2.479
2.779
2.473
2.467
27
0.684
1.314
1.703
2.052
2.771
3.421
3.408
3.396
28
0.683
1.313
1.701
2.048
2.763
29
0.683
1.311
1.699
2.045
2.462
2.756
30
0.683
1.310
1.697
2.042
2.457
2.750
3.385
40
0.681
1.303
1.684
2.021
2.423
2.704
3.307
60
0.679
1.296
1.289
1.671
2.000
2.390
2.358
2.660
3.232
1.980
1.960
3.160
3.090
120
0.677
1.658
2.617
0.674
1.282
1.645
2.326
2.576
Note: The smaller probability shown at the head of each column is the area in one tail; the larger probability
is the area in both tails.
Source: From E. S. Pearson and H. O. Hartley, eds., Biometrika Tables for Statisticians, vol. 1, 3d ed., table 12,
Cambridge University Press, New York, 1966. Reproduced by permission of the editors and trustees of Biometrika.
Transcribed Image Text:TABLE D.2 PERCENTAGE POINTS OF THE I DISTRIBUTION Example Pr (t > 2.086) = 0.025 Pr (t > 1.725) = 0.05 for df = 20 0.05 Pr (|t| > 1.725) = 0.10 1.725 Pr df 0.25 0.50 0.005 0.010 0.10 0.05 0.10 0.025 0.05 0.01 0.02 0.001 0.002 0.20 63.657 9.925 1 1.000 3.078 6.314 12.706 31.821 318.31 6.965 4.541 0.816 1.886 2.920 4.303 22.327 0.765 0.741 3 1.638 2.353 3.182 5.841 10.214 4 1.533 2.132 2.776 3.747 4.604 7.173 0.727 1.476 2.015 2.571 3.365 4.032 5.893 3.707 3.499 0.718 1.440 1.943 2.447 3.143 5.208 7 0.711 1.415 1.895 2.365 2.998 4.785 0.706 0.703 8 1.397 1.860 2.306 2.896 3.355 4.501 9 1.383 1.833 2.262 2.821 3.250 4.297 10 0.700 1.372 1.812 2.228 2.764 3.169 4.144 11 0.697 1.363 1.796 2.201 2.718 3.106 4.025 12 0.695 1.356 1.782 2.179 2.681 3.055 3.930 1.350 1.345 13 0.694 1.771 2.160 2.650 3.012 3.852 14 0.692 1.761 2.145 2.624 2.977 3.787 15 0.691 1.341 1.753 2.131 2.602 2.947 3.733 16 0.690 1.337 1.746 2.120 2.583 2.921 3.686 2.898 2.878 2.861 1.740 2.110 2.567 2.552 17 0.689 1.333 3.646 0.688 0.688 1.330 1.328 3.610 3.579 18 1.734 2.101 19 1.729 2.093 2.539 20 0.687 1.325 1.725 1.721 2.086 2.528 2.845 3.552 0.686 0.686 1.323 2.518 2.831 2.819 21 2.080 3.527 22 1.321 1.717 2.074 2.508 3.505 23 0.685 1.319 1.714 2.069 2.500 2.807 3.485 24 0.685 1.318 1.711 2.064 2.492 2.797 3.467 1.316 1.315 25 0.684 1.708 2.485 2.060 2.056 2.787 3.450 3.435 26 0.684 1.706 2.479 2.779 2.473 2.467 27 0.684 1.314 1.703 2.052 2.771 3.421 3.408 3.396 28 0.683 1.313 1.701 2.048 2.763 29 0.683 1.311 1.699 2.045 2.462 2.756 30 0.683 1.310 1.697 2.042 2.457 2.750 3.385 40 0.681 1.303 1.684 2.021 2.423 2.704 3.307 60 0.679 1.296 1.289 1.671 2.000 2.390 2.358 2.660 3.232 1.980 1.960 3.160 3.090 120 0.677 1.658 2.617 0.674 1.282 1.645 2.326 2.576 Note: The smaller probability shown at the head of each column is the area in one tail; the larger probability is the area in both tails. Source: From E. S. Pearson and H. O. Hartley, eds., Biometrika Tables for Statisticians, vol. 1, 3d ed., table 12, Cambridge University Press, New York, 1966. Reproduced by permission of the editors and trustees of Biometrika.
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