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Use Data Set 7 found on my website for this question. Consider two models: Big and Small. Both models are predicting Exam Tot. Big uses four variables (Female?, Year, Time, and H Total) to predict Exam Tot. Small uses two variables (Time and H Total) to predict Exam Tot. Run a regression for each model. Which one is a better model?     Small is better, but it's arguable that Big is better     Clearly Big     Both are equally good / It's hard to tell.     Big is better, but it's arguable that Small is better     Clearly Small

Use Data Set 7 found on my website for this question. Consider two models: Big and Small. Both models are predicting Exam Tot. Big uses four variables (Female?, Year, Time, and H Total) to predict Exam Tot. Small uses two variables (Time and H Total) to predict Exam Tot. Run a regression for each model. Which one is a better model?     Small is better, but it's arguable that Big is better     Clearly Big     Both are equally good / It's hard to tell.     Big is better, but it's arguable that Small is better     Clearly Small

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Use Data Set 7 found on my website for this question.

Consider two models: Big and Small. Both models are predicting Exam Tot.

  • Big uses four variables (Female?, Year, Time, and H Total) to predict Exam Tot.
  • Small uses two variables (Time and H Total) to predict Exam Tot.

Run a regression for each model. Which one is a better model?

   

Small is better, but it's arguable that Big is better
   

Clearly Big
   

Both are equally good / It's hard to tell.
   

Big is better, but it's arguable that Small is better
   

Clearly Small
1 2 3 4 5 6 7 8 OOOOOHOOOF 3953922222222228ENNESSE 36828E-2582%ZZORRANNOMAGORANGGOS 9 10 12 14 15 16 19 20 21 ZZ EZ 24 26 27 62 BO TE 34 36 37 SC 40 A 41 Exam Tot 97 69 89 69 71 94 98 66 87 103 84 42 93 84 92 29 78 76 81 55 74 51 199 66 48 75 76 74 94 €9 91 49 R 82 Female? 11 0 10 D 1 0 10 0 1 FODOOPOOOOOOPHOOOPOO 0 1 0 0 0 1 0 1 00OOPPA Year (1 Z 1 Z NZE 2 1 1 L 1 2 1 2 PPWHENNFWN 3 1 2 2 1 3 1 1 1 1 11 11 1 TH 1 2 D Time 129 SPBERRNESESSENGGENGRANA422955AA ZE 48 40 41 23 20 44 32 28 32 40 34 21 37 34 24 44 39 33 39 31 34 34 36 46 31 35 34 35 28 46 33 33 33 Time and Total Data E H tot 191 170 121 161 119 117 195 155 147 56 75 98 168 197 73 73 188 181 119 198 0 62 0 289929.585. 131 6ST 60 130 173 65 0 187 26 67 197 162 200 0 63 НА F 86 008280%20O%....322.255.2925548%. 56 86 E6 OS OOT DOT EX На Descriptions 98 82 61 61 74 97 74 0 75 75 99 0 95 100 0 62 56 71 09 96 87 85 0 93 64 67 97 100 0 66 H
Transcribed Image Text:1 2 3 4 5 6 7 8 OOOOOHOOOF 3953922222222228ENNESSE 36828E-2582%ZZORRANNOMAGORANGGOS 9 10 12 14 15 16 19 20 21 ZZ EZ 24 26 27 62 BO TE 34 36 37 SC 40 A 41 Exam Tot 97 69 89 69 71 94 98 66 87 103 84 42 93 84 92 29 78 76 81 55 74 51 199 66 48 75 76 74 94 €9 91 49 R 82 Female? 11 0 10 D 1 0 10 0 1 FODOOPOOOOOOPHOOOPOO 0 1 0 0 0 1 0 1 00OOPPA Year (1 Z 1 Z NZE 2 1 1 L 1 2 1 2 PPWHENNFWN 3 1 2 2 1 3 1 1 1 1 11 11 1 TH 1 2 D Time 129 SPBERRNESESSENGGENGRANA422955AA ZE 48 40 41 23 20 44 32 28 32 40 34 21 37 34 24 44 39 33 39 31 34 34 36 46 31 35 34 35 28 46 33 33 33 Time and Total Data E H tot 191 170 121 161 119 117 195 155 147 56 75 98 168 197 73 73 188 181 119 198 0 62 0 289929.585. 131 6ST 60 130 173 65 0 187 26 67 197 162 200 0 63 НА F 86 008280%20O%....322.255.2925548%. 56 86 E6 OS OOT DOT EX На Descriptions 98 82 61 61 74 97 74 0 75 75 99 0 95 100 0 62 56 71 09 96 87 85 0 93 64 67 97 100 0 66 H
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