題組內容

V. (20%) A teacher wants to investigate whether the distance (kilometers) between home and school for the students affect the number of days that students are absent per semester. Here is the output of the regression table estimated by the researcher:

(a) Use days to denote the number of days that students are absent and use distance to denote the distance between student's home and school. What is the least squares regression model estimated by the researcher? What is the sample size?