Quiz

A study was done to see the relationship between the number of hours (x) students study per week and the percent (y) they received on their final.  The equation of the regression line was 

    y  =  62 + 3x

1. Use the linear regression line to give a point estimate for the mean percent score students achieve on the final if they study five hours per week.
    
2. Use a complete sentence to interpret the y-intercept in the context of the question.
    
3. Use a complete sentence to interpret the slope in the context of the question.