Examine the Minitab output shown here for a multiple regression analysis. 1 answer below »

Examine the Minitab output shown here for a multiple regression analysis. 1 answer below »

Examine the Minitab output shown here for a multiple regression analysis. How many predictors were there in this model? Comment on the overall significance of the regression model. Discuss the t ratios of the variables and their significance.

The regression equation is

Y = 4.096 – 5.111X1 + 2.662X2 + 1.557X3 + 1.141X4 + 1.650

X5 – 1.248X6 + 0.436X7 + 0.962X8 + 1.289X9

Predictor

Coef

Stdev

T

p

Constant

4.096

1.2884

3.24

.006

X1

-5.111

1.8700

2.73

.011

X2

2.662

2.0796

1.28

.212

X3

1.557

1.2811

1.22

.235

X4

1.141

1.4712

0.78

.445

X5

1.650

1.4994

1.10

.281

X6

-1.248

1.2735

0.98

.336

X7

0.436

0.3617

1.21

.239

X8

0.962

1.1896

0.81

.426

X9

1.289

1.9182

0.67

.508

S = 3.503 R-sq = 40.8% R-sq(adj.) = 20.3%

Analysis of Variance

Source

DF

SS

MS

F

p

Regression

9

219.746

24.416

1.99

.0825

Error

26

319.004

12.269

 

 

Total

35

538.750

 

 

               

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