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SUMMARY OUTPUT Regression Statistics Multiple R 0.805 R Square XX Adjusted R Square 0.58 Standard Error 75.51 Observations 20 ANOVA df SS MS F Significance

SUMMARY OUTPUT

Regression Statistics

Multiple R

0.805

R Square

XX

Adjusted R Square

0.58

Standard Error

75.51

Observations

20

ANOVA

df

SS

MS

F

Significance F

Regression

3

168001

56000

XX

0.001

Residual

16

91223

5701

Total

19

259225

Coefficients

Standard Error

t Stat

P-value

Lower 95%

Upper 95%

Intercept

556.83

67.11

8.30

0.00

414.56

699.09

Years of experience

9.26

3.78

XX

0.03

1.26

17.27

Num of certificates

82.20

31.91

XX

0.02

14.56

149.84

Num of progLang

-17.58

13.81

-1.27

XX

-16.87

11.70

10. What is calculated value of the t-test statistic for the Years of experience variable?

A. 8.30

B. 2.45

C. 3.23

D. 6.59

E. None of the choices

11. What is calculated value of the F-test statistic?

A. 8.70

B. 2.45

C. 9.82

D. 6.59

E. None of the choices

12. What is the R-Square of the regression model?

A. 0.648

B. 0.250

C. 0.160

D. 0.930

E. None of the choices

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