Question 114 pts Problem 5-6. The CEO of a well-known car seller company wants t

Question

Question 114 pts

Problem 5-6. The CEO of a well-known car seller company wants to determine the factors having an influence on the percentage amount of car sales. The table below shows the result of a regression after setting a model with variables available.

The model includes the variable CONVERTIBLE which equals 1 if the car is convertible, zero otherwise.

The regression equation when the car is not convertible is........

Coefficientsa

Model

Unstandardized Coefficients

Standardized Coefficients

t

Sig.

B

Std. Error

Beta

1

(Constant)

-2.210

1.930

-1.145

.285

Dependability

.550

.272

.384

2.024

.078

Interiorcomfort

.252

.180

.270

1.399

.199

Acceleration

.448

.233

.429

1.921

.091

Convertible

-.100

.204

-.187

-1.179

.272

a. Dependent Variable: Sales

Coefficientsa

Model

Unstandardized Coefficients

Standardized Coefficients

t

Sig.

B

Std. Error

Beta

1

(Constant)

-2.210

1.930

-1.145

.285

Dependability

.550

.272

.384

2.024

.078

Interiorcomfort

.252

.180

.270

1.399

.199

Acceleration

.448

.233

.429

1.921

.091

Convertible

-.100

.204

-.187

-1.179

.272

a. Dependent Variable: Sales

Explanation / Answer

by not considering convertible fator

The regression equation when the car is not convertible is :Yhat=-2.21+0.55*x1+0.252*x2+0.448*x3

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