For the 2018 GSS, You Regress Number of Hours of Television

Multiple Choice

For the 2018 GSS, you regress number of hours of television watched on the average day (Y) on number of years of education completed (X) and obtain the following result:
Y = 4.78 - .15X. How much change in hours of television watched is associated with a change of one year in a respondent's education?

A) 1
B) 4.78 - .15
C) 4.78
D) -.15