What are the sample size n and df I Write down the SEE, SE(a), SE(b), what do they tell us? I What is the 95% CI for β? Interpretation? I What is the 95% CI for α? Interpretation? I Can you draw the best fit line?

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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What are the sample size n and df
I Write down the SEE, SE(a), SE(b), what do they tell us?
I What is the 95% CI for β? Interpretation?
I What is the 95% CI for α? Interpretation?
I Can you draw the best fit line?

sum test2 att
Variable
Obs
Mean
Std. Dev.
Min
Маx
test2
25
81.16
16.16498
36
98
att
25
1.118034
9.
regress test2 att
Source
df
MS
Number of obs
25
F(1, 23)
2.43
%3D
Model
598.533333
1
598.533333
Prob > F
0.1329
Residual
5672.82667
23
246.644638
R-squared
0.0954
%3D
Adj R-squared
0.0561
Total
6271.36
24
261.306667
Root MSE
15.705
%3D
test2
Coef.
Std. Err.
P>|t|
[95% Conf. Interval]
att
4.466667
2.867314
1.56
0.133
-1.464824
10.39816
_cons
45.42667
23.15256
1.96
0.062
-2.468052
93.32139
Transcribed Image Text:sum test2 att Variable Obs Mean Std. Dev. Min Маx test2 25 81.16 16.16498 36 98 att 25 1.118034 9. regress test2 att Source df MS Number of obs 25 F(1, 23) 2.43 %3D Model 598.533333 1 598.533333 Prob > F 0.1329 Residual 5672.82667 23 246.644638 R-squared 0.0954 %3D Adj R-squared 0.0561 Total 6271.36 24 261.306667 Root MSE 15.705 %3D test2 Coef. Std. Err. P>|t| [95% Conf. Interval] att 4.466667 2.867314 1.56 0.133 -1.464824 10.39816 _cons 45.42667 23.15256 1.96 0.062 -2.468052 93.32139
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