SUMMARY OUTPUT Regression Statistics Multiple R 0.303005183 R Square 0.091812141 Adjusted R Square 0.05937686 Standard Error 8.538049739 Observations 30 ANOVA Significance F df Regression 1. 206.3477865 206.347787 2.83062575 0.103603045 Residual 28 2041.152213 72.8982933 Total 29 2247.5 t Stat Coefficients Standard Error P-value Lower 95% Upper 95% Lower 95.0% Upper 95.0% Intercept 1.872650091 8.248361046 0.22703299 0.82204756 -15.02335158 18.7686518 -15.02335158 18.76865177 #Flashdrives 1.937537902 1.15161942 1.68244636 0.10360305 -0.421447544 4.29652335 -0.421447544 4.296523347

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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What is correlation and regression? What information does it provide? Why is it important? 

 

What does this regression analaysis tell us? What is the significance of the coeffecients?

SUMMARY OUTPUT
Regression Statistics
Multiple R
0.303005183
R Square
0.091812141
Adjusted R Square
0.05937686
Standard Error
8.538049739
Observations
30
ANOVA
Significance F
df
Regression
1.
206.3477865 206.347787 2.83062575
0.103603045
Residual
28
2041.152213
72.8982933
Total
29
2247.5
t Stat
Coefficients
Standard Error
P-value
Lower 95%
Upper 95%
Lower 95.0%
Upper 95.0%
Intercept
1.872650091
8.248361046 0.22703299 0.82204756
-15.02335158 18.7686518 -15.02335158
18.76865177
#Flashdrives
1.937537902
1.15161942 1.68244636 0.10360305
-0.421447544 4.29652335
-0.421447544
4.296523347
Transcribed Image Text:SUMMARY OUTPUT Regression Statistics Multiple R 0.303005183 R Square 0.091812141 Adjusted R Square 0.05937686 Standard Error 8.538049739 Observations 30 ANOVA Significance F df Regression 1. 206.3477865 206.347787 2.83062575 0.103603045 Residual 28 2041.152213 72.8982933 Total 29 2247.5 t Stat Coefficients Standard Error P-value Lower 95% Upper 95% Lower 95.0% Upper 95.0% Intercept 1.872650091 8.248361046 0.22703299 0.82204756 -15.02335158 18.7686518 -15.02335158 18.76865177 #Flashdrives 1.937537902 1.15161942 1.68244636 0.10360305 -0.421447544 4.29652335 -0.421447544 4.296523347
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