Kizspy | Question: 74
(Choose 1 answer)
(See picture)
Α. 73.03%
Β. 85.46%
C. 68.53%
D. 15.00%
E. None of the other choices is correct
You worked as an intern at We Always Win Car Insurance Company last summer.You notice that individual car insurance premiums depend very much on the age of the individual and the number of traffic tickets received by the individual. You performed a regression analysis in EXCEL and obtained the following partial information:
Regression Statistics
Multiple R
0.8546
FUOVER
R Square
0.7303
Adjusted R Square
0.6853
Standard Error
226.7502
Observations
15
ANOVA
df
SS
MS
F
Significance F
Regression
2
835284.6500 16.2457
0.0004
Residual
12
616987.8200
Total
2287557.1200
Coefficients
Standard Error
t Stat
Intercept
821.2617
Age
-1.4061
Tickets
243.4401
161.9391
2.5988
43.2470
P-value
5.0714 0.0003
-0.5411 0.5984
5.6291 0.0001
Lower 99%
326.6124
-9.3444
Upper 99%
1315.9111
6.5321
111.3406
375.5396
The proportion of the total variability in insurance premiums that can be explained by AGE and TICKETS after adjusting for the number of observations and the number independent variables is
