The CEO of a well known car seller company wants to determine the factors having

Question

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 bellow 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.

1) The regression equation when the car is convertible is........

Coefficients Unstandardized Standardized Coefficients Coefficients Mcxkl Sig. Std Beta Error 1.145 285 2.024 078 1.399 .199 1.921 091 1.179 .272 2.210 1.930 Dependability 50 27 384 |Interiorcomfort|.252 |.180 |.270 1 Acceleration 448 233 Convertible .100 204 .187 a. Dependent Variable: Sales

Explanation / Answer

The regression equation given is:

Sales = -2.210 + 0.550 (Dependability) + 0.252 (Interiorcomfort) + 0.448 (Acceleration) - 0.100 (Covertible)

Given that the car is convertible so Convertible = 1 and hence,

Sales = -2.210 + 0.550 (Dependability) + 0.252 (Interiorcomfort) + 0.448 (Acceleration) - 0.100 (1)

Sales = -2.310 + 0.550 (Dependability) + 0.252 (Interiorcomfort) + 0.448 (Acceleration)

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