According to an analysis of college entrance exam scores in 2012, the average score of male students was 375 and that of female students was 380 points.

Meanwhile, Kim economic student estimated the following regression functions using the same data: Identify the estimated value of the coefficient that Kim economic student will get and briefly explain why.

y_i=a₀+a₁D_i +u_i i=1,2,....n

D_i=1 if male student

D_i=0 otherwise