Question: A multiple regression analysis based on a data set that consists of 30 observations yielded the following estimated equation: Q = 120 - 1.1 P

A multiple regression analysis based on a data set that consists of 30 observations yielded the following estimated equation:

Q= 120 - 1.1P+ 3.7I+ 0.90A

wherePis price,Iis income, andAis advertising. If the coefficient of determination is 0.80, then the adjusted coefficient of determination is

Select one:

a.0.62.

b.0.78.

c.1.04.

d.0.84.

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