Apply the four criteria for the inclusion of a variable (| theory || t-test || R² || Bias |) to determine whether PRP is irrelevant or previously was an omitted (relevant) variable (that is, whether PRP should or should not be included in the above model).

College Physics
1st Edition
ISBN:9781938168000
Author:Paul Peter Urone, Roger Hinrichs
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Chapter31: Radioactivity And Nuclear Physics
Section: Chapter Questions
Problem 14PE: (a) Show that if you assume the average nucleus is spherical with a radius r=r0A1/3, and with a mass...
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Apply the four criteria for the inclusion of a variable
( theory || t-test || R² || Bias |) to determine whether PRP is
irrelevant or previously was an omitted (relevant) variable (that is,
whether PRP should or should not be included in the above model).
Transcribed Image Text:Apply the four criteria for the inclusion of a variable ( theory || t-test || R² || Bias |) to determine whether PRP is irrelevant or previously was an omitted (relevant) variable (that is, whether PRP should or should not be included in the above model).
- reg YEARY PC PB YD TEMP PRP
Source
df
MS
Number of obs
29
F(6, 22)
=
1777.52
Model
2025.82114
337.636856
Prob > F
0.0000
=
Residual
R-squared
Adj R-squared
4.17886221
22
.189948282
0.9979
0.9974
Total
2030
28
72.5
Root MSE
=
.43583
YEAR
Coefficient
Std. err.
t
P>|t|
[95% conf. interval]
Y
.0640617
.0523215
1.22
0.234
-.0444465
.1725699
PC
-.0179212
.010265
-1.75
0.095
-.0392094
.003367
PB
.0058838
.0050092
1.17
0.253
-.0045047
.0162722
YD
.0978191
.0142261
6.88
0.000
.068316
.1273222
TEMP
.0021932
.0054143
0.41
0.689
-.0090354
.0134218
PRP
.0087202
.0091906
0.95
0.353
-.01034
.0277804
cons
1966.475
1.727965
1138.03
0.000
1962.892
1970.059
Transcribed Image Text:- reg YEARY PC PB YD TEMP PRP Source df MS Number of obs 29 F(6, 22) = 1777.52 Model 2025.82114 337.636856 Prob > F 0.0000 = Residual R-squared Adj R-squared 4.17886221 22 .189948282 0.9979 0.9974 Total 2030 28 72.5 Root MSE = .43583 YEAR Coefficient Std. err. t P>|t| [95% conf. interval] Y .0640617 .0523215 1.22 0.234 -.0444465 .1725699 PC -.0179212 .010265 -1.75 0.095 -.0392094 .003367 PB .0058838 .0050092 1.17 0.253 -.0045047 .0162722 YD .0978191 .0142261 6.88 0.000 .068316 .1273222 TEMP .0021932 .0054143 0.41 0.689 -.0090354 .0134218 PRP .0087202 .0091906 0.95 0.353 -.01034 .0277804 cons 1966.475 1.727965 1138.03 0.000 1962.892 1970.059
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