Plot of model residuals by tv 1
Obs sn success
GRE GPA exercise
tv
1 1 118.3
51.5 26.5 85.3
77.5
2 2 102.0
58.3 27.9 95.3
76.8
3 3 69.2
28.8 23.8 94.7
79.5
4 4 87.6
35.4 20.1 108.8
88.3
5
5
72.6 10.4 28.4
80.6 75.6
6 6 94.0
50.2 21.6 82.6
87.4
7 7 85.9
50.2 19.0 40.2
86.0
8 8 81.6
49.5 18.3 85.2
92.0
9 9 118.1
49.1 30.2 77.9
75.7
10 10 114.2
48.7 30.7 63.3
73.7
11 11 94.1
27.8 28.8 90.5
71.3
12 12 82.0
32.0 16.7
91.5 91.0
13 13 80.7
41.6 20.6 69.6
86.2
14 14 78.5
51.7 19.0 78.1
85.5
15 15 114.2
64.9 25.4 92.9
84.0
16 16 105.2
59.3 23.2 68.5
82.8
17 17 89.9
26.8 22.1 92.1
82.9
18 18 139.8
71.5 40.1 50.8
64.1
19 19 83.8
31.4 19.9 78.9
84.4
20 20 88.6
43.1 15.8 102.6
90.0
21 21 98.8
48.8 20.4 63.7
86.2
22 22 124.5
62.8 27.9 58.3
77.5
23 23 106.6
55.8 25.4
94.0 79.1
24 24 87.6
54.6 17.4 65.0
92.6
25 25 75.3
28.7 22.1 85.9
84.2
26 26 95.3
21.4 26.1 85.7
80.8
27 27 91.6
32.5 24.9 92.9
77.5
28 28 91.8
27.9 22.1 81.4
81.1
29 29 80.5
35.5 25.6 62.8
77.5
30 30 97.1
52.4 23.3 90.8
80.0
31
31
130.3 57.3 34.2
74.0 69.5
32 32 88.5
60.9 17.3 69.6
97.5
33 33 83.1
46.7 23.9 100.4
80.3
34 34 102.6
82.2 17.5 81.0
91.6
35 35 98.4
32.3 24.4 79.7
84.0
36 36 95.0
48.5 19.4 60.2
86.8
37 37 108.9
71.5 22.0 54.5
87.1
38 38 89.6 57.4
17.3 70.0 85.9
39 39 113.1
76.2 25.7 81.9
77.1
40 40 95.2
42.9 27.4 87.2
79.8
41 41 82.4
44.9 21.6 74.7
78.9
42 42 98.4 52.3
21.9 83.7 82.5
43 43 80.6
55.6 17.7 66.1
89.1
44 44 111.6
57.0 29.0 80.4
75.8
45 45 116.6
47.9 31.2 85.2
74.8
46 46 97.3
33.0 31.9 86.8
72.1
47 47 56.1
50.1 8.3 81.4
99.4
48 48 105.1
55.2 26.9 60.4
75.7
49 49 97.3
52.9 23.0 87.6
86.4
50 50 87.6
49.1 20.6 67.2
81.5
51 51 97.6
56.9 24.4 76.4
84.2
52 52 83.3
35.4 27.7 61.5
81.1
53 53 114.0
79.3 24.0 81.8
84.2
54 54 91.5
52.5 21.7 82.9
89.8
55 55 86.1
45.9 17.9 72.4
86.1
56 56 89.6
64.1 16.6 79.9
91.3
57 57 89.7
60.2 21.0 80.5
92.6
58 58 90.1
48.8 26.4 58.2
84.0
59 59 99.4
38.5 29.5 84.9
78.7
60 60 93.0
53.7 24.2 84.1
81.1
61 61 107.1
52.4 26.1 73.7
78.7
62 62 96.1
29.4 30.4 99.7
73.9
63 63 109.4
28.2 29.0 90.7
71.8
64 64 109.5
63.6 27.4 72.7
78.4
65 65 101.7
57.2 27.7 73.2
78.5
66 66 93.6
26.5 26.5 75.4
77.8
67 67 73.2
43.9 13.5 67.8
94.9
68 68 100.5 52.5
25.6 63.6 78.3
69 69 92.1
47.1 29.3 78.6
74.7
70 70 105.1
76.0 21.4 48.1
83.8
71 71 116.3
55.2 32.3 88.7
70.1
72 72 121.8
65.3 33.1 75.3
72.6
Plot of model residuals by tv 2
Obs sn success
GRE GPA exercise
tv
73 73 78.9
16.6 24.3 81.7
77.8
74 74 98.1
44.9 27.0 86.8
77.7
75 75 106.4
44.4 28.0 76.6
69.8
76 76 85.1
47.5 20.8 69.1
88.1
77 77 93.0
21.0 30.9 71.9
64.8
78 78 83.6
41.5 21.8 86.7
84.2
79 79 100.6
27.1 27.5
98.8 74.7
80 80 119.7
69.1 26.9 102.1
75.9
81 81 95.5
63.1 18.3 79.7
90.8
82 82 118.2
54.2 32.2 101.3
70.6
83 83 108.9
59.6 26.0 76.4
81.3
84 84 144.6
80.6 33.6 94.8
72.2
85 85 85.8
37.2 25.1 61.0
83.0
86 86 93.9
63.8 26.2 54.2
76.5
87
87
98.1 63.9 25.7
100.8 81.5
88 88 74.6
44.0 20.6 84.3
82.7
89 89 111.1
33.3 28.5 76.0
74.7
90 90 88.5
51.6 22.9 79.8
85.5
91 91 94.2
37.0 28.8 71.0
82.3
92 92 74.1
23.5 22.6 72.1
86.2
93 93 76.3
39.1 23.4 58.0
84.5
94 94 125.3 63.7
31.6 87.9 68.5
95 95 86.6
40.7 24.0 72.8
82.2
96 96 59.8
21.7 15.8 79.1
91.0
97 97 93.8
42.0 28.2 75.7
75.5
98 98 92.1
62.9 20.2 65.7
82.0
99 99 98.4
64.1 19.4 125.9
89.2
100 100 103.3
63.7 22.6 75.0
85.3
101 101 127.4
58.1 31.1 71.4
76.5
102 102 127.6
68.6 30.7 84.8
77.5
103 103 72.1
47.3 16.6 81.0
90.1
104 104 108.6
62.3 29.1 111.2
74.7
105 105 127.6
52.8 30.1 80.3
73.5
106 106 90.0
71.8 21.9 63.2
81.7
107 107 110.2
54.4 28.3 78.9
74.5
108 108 87.9
56.7 16.2 68.0
89.1
109 109 106.5
73.1 20.8 89.4
81.4
110 110 105.9
52.9 23.9 67.8
74.7
111 111 78.6
30.7 21.6 99.0
83.7
112 112 96.3
53.7 26.3 114.3
79.9
113 113 92.8
42.9 22.3 87.9
81.7
114 114 99.9
73.1 24.2 107.9
81.4
115 115 108.1
60.5 25.3 79.6
80.7
116 116 111.2
61.8 28.9 75.8
74.2
117 117 108.3
57.6 22.0 73.0
86.5
118 118 102.5
44.9 26.0 69.3
84.0
119 119 87.0
58.3 18.3 86.9
90.1
120 120 102.3
46.9 25.9 91.0
75.7
121 121 113.9
56.6 28.0 93.6
78.6
122 122 109.0
24.4 33.0 86.9
68.7
123 123 103.2
76.4 21.2 90.4
80.4
124 124 96.6 35.8
26.4 97.6 77.8
125 125 97.2
70.6 17.9 95.4
84.7
126 126 101.6
49.4 23.7 100.7
81.8
127 127 72.0
56.9 14.3 49.1
91.8
128 128 128.8
68.2 33.3 125.0
66.3
129 129 108.4
75.4 22.4 84.5
84.8
130 130 120.7
77.9 28.0 86.3
78.9
131 131 97.2
29.1 27.4 97.6
76.2
132 132 101.8
41.2 26.4 56.3
74.4
133 133 121.8
63.7 29.4 50.8
79.1
134 134 107.8
66.0 23.0 95.4
83.9
135 135 70.2
25.3 24.9 115.3
83.8
136 136 107.8
54.1 23.6 90.6
82.3
137 137 133.1
54.5 35.9 90.9
69.9
138 138 93.1
37.9 21.5 89.3
80.3
139 139 76.6
45.5 18.1 75.3
93.1
140 140 118.0
63.7 24.4 88.3
79.4
141 141 81.4
22.1 23.5 79.0
85.8
142 142 97.4
39.0 19.3 54.6
87.1
143 143 95.6
47.3 19.9 82.2
85.7
144 144 79.1
41.7 21.6 81.5
86.4
Plot of model residuals by tv 3
Obs sn success
GRE GPA exercise
tv
145 145 97.4
56.4 20.9 94.5
88.9
146 146 99.5
43.7 22.6 60.8
86.5
147 147 79.5
19.3 21.8 86.7
86.3
148 148 96.5
54.5 24.5 51.6
80.6
149 149 105.5
45.6 28.2 88.5
71.8
150 150 96.9 40.0
26.5 101.8 79.4
151 151 81.6
55.3 14.9 83.7
95.6
152 152 109.9
72.0 24.7 69.1
79.4
153 153 104.1
55.9 28.3 71.9
81.3
154 154 88.7
43.6 17.5 75.8
88.7
155 155 118.5
46.4 31.7 59.8
72.9
156 156 95.3
62.4 27.2 84.3
80.8
157 157 134.3
61.1 35.8 66.2
64.3
158 158 104.6
82.7 23.8 72.9
81.2
159 159 129.7
66.1 29.3 98.5
76.8
160 160 103.7
50.3 26.2 64.1
76.4
161 161 116.8
74.4 25.5 81.2
80.5
162 162 105.4
53.4 22.9 84.8
79.2
163 163 105.6
26.0 27.1 96.6
74.4
164 164 94.0
50.7 22.4 78.6
88.0
165 165 95.6
75.8 25.5 67.5
78.2
166 166 91.3
51.9 21.4 78.0
85.3
167 167 101.5
63.6 22.1 62.7
89.0
168 168 114.0
51.3 30.7 110.2
70.1
169 169 93.8
52.2 19.0 94.9
89.6
170 170 81.9
43.0 20.5 69.6
91.3
171 171 91.8
59.9 20.5 64.0
84.9
172 172 83.4
54.9 17.1 118.1
85.1
173 173 115.2
77.6 20.3 51.1
85.1
174 174 121.1
73.4 26.2 104.9
79.8
175 175 84.0
58.0 20.9 98.7
88.1
176 176 118.6
61.2 30.3 95.4
76.9
177 177 122.1
57.3 27.5 76.5
81.7
178 178 92.5
52.1 22.6 59.4
79.0
179 179 102.5
39.1 27.8 107.6
76.6
180 180 115.9 59.6
29.3 49.3 78.7
181 181 85.9
57.4 21.9 92.8
85.7
182 182 94.0
55.4 23.1 97.3
84.1
183 183 119.5
75.6 31.0 87.8
71.2
184 184 101.9
71.4 23.8 70.9
85.3
185 185 93.4
52.4 21.1 73.8
81.4
186 186 85.7
67.1 16.0 75.9
87.4
187 187 129.9
64.1 29.0 71.7
80.1
188 188 119.1
53.6 31.4 90.8
74.4
189 189 124.9
53.9 36.3 83.1
73.3
190 190 105.3
36.1 26.1 86.6
77.8
191 191 108.9
41.6 25.9 103.9
79.8
192 192 114.5
46.7 30.2 66.3
76.1
193 193 66.7
32.0 22.5 85.6
84.0
194 194 121.6
40.2 34.5 93.9
71.8
195 195 113.5
59.6 30.7 109.4
74.5
196 196 122.6
73.9 25.1 96.0
84.8
197 197 101.5
57.4 17.6 73.4
92.2
198 198 85.5
76.2 16.3 66.7
91.2
199 199 91.5
56.9 20.7 104.0
84.7
200 200 75.0
47.3 11.7 99.4
93.5
201 201 89.0
58.4 16.2 69.3
88.8
202 202 78.7
10.4 31.2 77.4
71.3
203 203 84.8
37.1 22.2 91.8
85.9
204 204 120.5
61.6 32.1 73.4
69.9
205 205 79.3
22.3 20.6 100.2
85.3
206
206
103.0 38.0 26.0
87.5 82.0
207 207 76.0
19.3 27.9 101.0
77.5
208 208 112.0
57.2 23.8 66.1
81.1
209 209 68.8
21.7 16.7 103.1
86.1
210 210 96.9
33.3 31.0 87.3
70.3
211 211 115.7
56.1 32.4 75.9
72.7
212 212 78.1
28.8 18.3 85.0
92.7
213 213 100.3
42.5 23.8 60.7
80.1
214 214 112.7
61.5 30.1 95.6
73.6
215 215 91.1
40.0 20.9 116.3
83.0
216 216 122.3
55.3 29.3 64.5
80.0
Plot of model residuals by tv 4
Obs sn success
GRE GPA exercise
tv
217 217 86.9
56.3 25.3 79.0
83.7
218 218 67.7
20.1 22.7 78.3
80.9
219 219 101.6
58.4 28.2 75.3
72.7
220 220 121.6
26.5 36.0 83.9
64.0
221 221 100.6
45.1 23.5 82.8
81.9
222 222 75.1
53.8 13.4 89.6
95.0
223 223 129.7
63.5 35.9 67.1
58.8
224 224 105.0
37.7 28.4 75.1
80.6
225 225 94.1
44.8 20.8 79.0
86.3
226 226 88.5
31.8 22.6 49.2
81.9
227 227 105.4
38.5 27.7 68.5
76.2
228 228 90.7
54.5 20.8 80.0
82.8
229 229 103.8
39.8 24.1 101.5
80.7
230 230 113.1
82.4 27.4 94.7
75.9
231 231 126.7
55.7 31.4 78.8
70.5
232 232 93.1
35.1 23.8 92.6
73.4
233 233 116.4
51.7 28.5 79.3
77.3
234 234 106.5
40.1 34.0 56.8
72.1
235 235 94.2
52.8 25.9 72.9
75.5
236 236 86.0 35.3
21.9 112.5 83.2
237 237 70.7
46.8 15.6 85.3
88.4
238 238 115.9
70.0 26.9 52.0
77.6
239 239 114.0
67.9 22.2 85.8
86.9
240 240 109.0
60.6 30.4 92.4
71.1
241 241 119.1
70.2 29.4 103.6
75.1
242 242 90.6
36.0 30.3 86.6
75.0
243 243 105.6
49.4 24.9 106.8
77.7
244 244 65.2
29.6 15.8 62.6
91.4
245 245 115.2
76.6 23.0 62.3
77.4
246 246 89.6
47.1 24.2 84.4
76.6
247 247 122.3
95.2 28.0 79.9
76.0
248 248 114.8
67.1 22.1 63.3
86.2
249 249 96.0
51.2 22.1 67.7
84.8
250 250 88.1
23.9 25.1 73.9
79.2
251 251 91.7
34.5 26.6 74.6
81.7
252 252 96.6
59.8 20.4 75.8
87.6
253 253 118.1
55.1 31.8 86.6
73.3
254 254 92.4
64.3 17.6 71.7
89.6
255 255 97.6
74.9 18.9 86.2
85.3
256 256 123.7
59.1 27.8 112.2
80.3
257 257 78.3
12.6 23.6 81.2
79.8
258 258 132.1
50.6 29.3 111.7
73.6
259 259 114.1
61.5 29.1 84.6
74.9
260 260 92.0
54.8 23.9 86.2
81.3
261 261 110.8
45.2 26.3 80.0
81.4
262
262
106.3 57.2 26.4
65.1 78.3
263 263 90.9
48.6 21.1 88.1
86.6
264 264 103.8
50.6 31.2 102.5
78.6
265 265 97.7
61.9 21.3 59.3
81.8
266 266 93.6
27.8 23.4 99.0
83.8
267 267 102.9
92.0 17.3 90.5
96.3
268 268 117.1
68.3 21.9 68.5
84.3
269 269 117.2
41.1 33.4 89.1
68.7
270 270 87.7
31.6 22.7 89.5
84.8
271 271 84.7
47.2 27.4 61.0
74.5
272 272 105.9
51.6 24.0 107.9
84.7
273 273 111.3 48.4
26.4 102.5 75.8
274 274 92.4
66.3 23.6 92.8
82.0
275 275 105.7
55.0 26.7 87.6
77.7
276 276 104.6
75.8 24.4 90.9
79.5
277 277 95.8
61.0 23.4 75.4
80.5
278 278 82.4
39.1 19.7 103.1
87.1
279 279 102.8
16.2 31.3 68.7
74.9
280 280 88.7
13.5 25.5 79.4
73.6
281 281 84.1
33.4 21.1 56.2
82.1
282 282 88.2
41.5 24.3 93.8
80.2
283 283 121.6
66.0 31.6 70.3
76.6
284 284 92.5
44.8 27.0 75.9
73.5
285 285 90.6
59.6 18.1 75.5
88.9
286 286 116.5
36.4 29.5 59.9
74.2
287 287 113.2
61.7 25.9 74.4
82.7
288
288
109.0 47.9 29.4
71.4 70.6
Plot of model residuals by tv 5
Obs sn success
GRE GPA exercise
tv
289 289 96.1
41.4 25.6 73.6
78.8
290 290 106.4
56.6 31.5 79.1
74.8
291 291 78.3
31.0 24.3 66.7
82.9
292 292 130.1 64.9
32.5 83.9 69.5
293 293 89.4
50.1 14.4 82.8
87.7
294 294 86.1
54.4 20.2 101.4
86.7
295 295 121.2
40.9 35.8 87.0
66.9
296 296 114.6
37.8 30.7 82.7
74.6
297 297 85.2
45.1 15.6 82.3
88.9
298 298 101.4
43.1 26.2 88.2
79.4
299 299 101.7
47.5 27.7 62.3
83.3
300 300 126.1
59.4 34.6 72.5
68.3
Correlations for All Variables 6
The CORR
Procedure
5 Variables: success
GRE GPA exercise tv
Simple Statistics
Variable
N Mean Std Dev Sum
Minimum Maximum
success 300
99.72067 15.69830 29916
56.10000 144.60000
GRE
300 50.46533 15.41173 15140
10.40000 95.20000
GPA
300 24.75100 5.09610 7425
8.30000 40.10000
exercise 300
81.31100 15.14597 24393
40.20000 125.90000
tv 300 80.66867
6.68561 24201 58.80000
99.40000
Pearson Correlation Coefficients, N = 300
Prob > |r| under H0:
success
GRE GPA exercise tv
success 1.00000 0.50692 0.70973 0.01615 -0.61717
<.0001 <.0001 0.7806 <.0001
GRE
0.50692 1.00000 -0.00824 -0.07946 0.06074
<.0001
0.8870 0.1698 0.2943
GPA
0.70973 -0.00824 1.00000 0.04131 -0.90224
<.0001 0.8870 0.4760 <.0001
exercise 0.01615 -0.07946 0.04131 1.00000 -0.05648
0.7806 0.1698 0.4760 0.3296
tv -0.61717 0.06074 -0.90224 -0.05648 1.00000
<.0001 0.2943 <.0001 0.3296
Regression of Success by GPA 7
The REG Procedure
Model: MODEL1
Dependent Variable: success
Analysis of
Variance
Sum of Mean
Source
DF Squares Square F Value
Pr > F
Model
1 37117 37117 302.47
<.0001
Error
298 36568 122.71121
Corrected Total
299 73685
Root
MSE 11.07751 R-Square
0.5037
Dependent Mean 99.72067 Adj R-Sq 0.5021
Coeff Var 11.10854
Parameter Estimates
Parameter Standard
Variable DF
Estimate Error t Value
Pr > |t|
Intercept 1
45.60751 3.17649 14.36
<.0001
GPA 1
2.18630 0.12571 17.39
<.0001
Regression of Success by GPA and GRE 8
The REG Procedure
Model: MODEL1
Dependent Variable: success
Analysis of
Variance
Sum of Mean
Source
DF Squares Square F Value
Pr > F
Model
2 56492 28246 487.95
<.0001
Error
297 17192 57.88673
Corrected Total
299 73685
Root
MSE 7.60833 R-Square
0.7667
Dependent Mean 99.72067 Adj R-Sq 0.7651
Coeff Var 7.62965
Parameter
Estimates
Parameter Standard
Variable DF
Estimate Error t Value
Pr > |t|
Intercept 1
18.92509 2.62428 7.21
<.0001
GPA 1 2.19932 0.08634 25.47
<.0001
GRE 1 0.52234 0.02855 18.30 <.0001
