. The following data represents the number of days absent, x, and the final grade, y,

 

for a sample of college students at a community college.

 

 

 

a) Find the least squares regression line treating the number of absences as the explanatory

 

variable and the final grade as the response variable.

 

b) Interpret the slope using complete sentences.

 

 

 

c) Interpret the y intercept using complete sentences.

 

d) Predict the final grade for a student who misses five class periods.