Here are two equations using GSS2008 data. The first equation involves only white respondents, and describes a linear relationship (since there was not a non-linear relationship between these variables):
HOURS WORKED PER WEEK = 13.71 + 1.36 (EDUC)
The second equation involves only black respondents, and describes a non-linear relationship (since it performed better than the linear equation for blacks):
HOURS WORKED PER WEEK = -19.93 + 6.85 (EDUC) -.19 (EDUC)²
First, calculate predicted hours worked for each race, for someone with nine years of education, someone with sixteen years of education, and someone with twenty-two years of education. Then, interpret your results.

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The Answer of Here are two equations using GSS2008 data. The first equation involves only white respondents, and describes a linear relationship (since there was not a non-linear relationship between these variables): HOURS WORKED PER WEEK = 13.71 + 1.36 (EDUC) The second equation involves only black respondents, and describes a non-linear relationship (since it performed better than the linear equation for blacks): HOURS WORKED PER WEEK = -19.93 + 6.85 (EDUC) -.19 (EDUC)² First, calculate predicted hours worked for each race, for someone with nine years of education, someone with sixteen years of education, and someone with twenty-two years of education. Then, interpret your results.

Here Are Two Equations Using GSS2008 Data