A test is conducted in eight cities to see if giving away free transit - 6738

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A test is conducted in eight cities to see if giving away free transit system maps will increase bus ridership. In a regression analysis, the dependent variable is the increase in bus ridership in thousands of persons from the start of the test until its conclusion. The independent variables are X1 = the number in thousands of free maps distributed and X2 = a binary equal to 1, if the city has free downtown parking and 0 otherwise. The estimated regression equation is Y = 1.32+.0345X1-1.45X2. If the Y value for city 3 is 7.3, X1 = 140, and X2 = 0 the residual for city 3 in thousands is: 

A.  6.34

B.  1.15

C.  .57 

D.  2.01

Solution Description

A test is conducted in eight cities to see if giving away free transit system maps will increase bus ridership. In a r