A. Interpret the slope of coefficient . B. Interpret the value of coefficient of determination . c. Using the decision rule based on (-statistic, test at the 10% significatice level whether or not there is a linear relationship between advertising ex

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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A. Interpret the slope of coefficient .

B. Interpret the value of coefficient of determination .

c. Using the decision rule based on (-statistic, test at the 10% significatice level whether or not there is a linear relationship between advertising expenditure and sales. In other words, test the following hypotheses:

H0 : B1 = 0 (there is no relationship)

H1 : B1 ≠ 0 (there is a relationship)

You are interested in estimating Y p PX6
O
1
The following output was generated by Excel.
SUMMARY OUTPUT
Regression Statistics
Multiple R
R Square
Adjusted RSquare
Standard Error
Observations
ANOVA
Regression
Residual
Total
0.80
0.64
0.57
5.77
8
of
1
6
7
SS
347.30
199.59
$46.88
Coefficients Standard Error
23.03
4.83
5.10
1.50
Intercept
X
CS Scanned with CamScanner
MS
347.30
33.26
t Stat
452
3.23
F
10.44
P-value
0.00
0.02
Significance F
0.02
Lower 95%
10.55
117
Upper 95%
35.50
849
Transcribed Image Text:You are interested in estimating Y p PX6 O 1 The following output was generated by Excel. SUMMARY OUTPUT Regression Statistics Multiple R R Square Adjusted RSquare Standard Error Observations ANOVA Regression Residual Total 0.80 0.64 0.57 5.77 8 of 1 6 7 SS 347.30 199.59 $46.88 Coefficients Standard Error 23.03 4.83 5.10 1.50 Intercept X CS Scanned with CamScanner MS 347.30 33.26 t Stat 452 3.23 F 10.44 P-value 0.00 0.02 Significance F 0.02 Lower 95% 10.55 117 Upper 95% 35.50 849
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