Tar Nicotine WeightCarbon 14.1 16 29.8 13.6 16.6 23.5 10.2 5.4 15 0.86 0.9853 1.
ID: 3052146 • Letter: T
Question
Tar Nicotine WeightCarbon 14.1 16 29.8 13.6 16.6 23.5 10.2 5.4 15 0.86 0.9853 1.061.0938 1.165 0.928 0.4 0.9462 1.040.8885 0.761.0267 0.950.9225 1.12 0.9372 1.020.8858 1.010.9643 0.90.9316 0.57 0.9705 1.124 0.740.8517 0.13 0.7851 1.260.9186 1.081.0395 0.960.9573 0.42 0.9106 1.007 0.61 0.9806 0.69 0.9693 1.02 0.9496 1.1184 2.03 0.67 15 8.8 12.4 16.6 14.9 13.7 15.1 7.8 11.4 12.3 16.3 15.4 13 14.4 10 10.2 9.5 1.5 18.5 12.6 17.5 4.9 15.9 8.5 10.6 13.9 14.9 0.78 17 12.8 15.8 4.5 14.5 7.3 8.6 15.2 12 1.01 0.82Explanation / Answer
a)
y=3.2+0.96*tar-2.63*nicotine-0.13*weight
b)
Yes it is because its p-value (0.000692) is less than 0.05.
c)
SUMMARY OUTPUT
Regression Statistics
Multiple R
0.96
R Square
0.92
Adjusted R Square
0.91
Standard Error
1.40
Observations
25
ANOVA
df
SS
MS
F
Significance F
Regression
1
494.28
494.28
253.37
0.00
Residual
23
44.87
1.95
Total
24
539.15
Coefficients
Standard Error
t Stat
P-value
Lower 95%
Upper 95%
Intercept
2.74
0.68
4.06
0.00
1.35
4.14
Tar
0.80
0.05
15.92
0.00
0.70
0.91
r^2=0.92
d)
No outliers
SUMMARY OUTPUT
Regression Statistics
Multiple R
0.96
R Square
0.92
Adjusted R Square
0.91
Standard Error
1.40
Observations
25
ANOVA
df
SS
MS
F
Significance F
Regression
1
494.28
494.28
253.37
0.00
Residual
23
44.87
1.95
Total
24
539.15
Coefficients
Standard Error
t Stat
P-value
Lower 95%
Upper 95%
Intercept
2.74
0.68
4.06
0.00
1.35
4.14
Tar
0.80
0.05
15.92
0.00
0.70
0.91
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