Question

3. For the following four regression equations, explain what the slope and intercept mean.

a. wage=2.05+1.32 education, where wage is dollars earned per hour and education is number of years the person went to school.

b. GPA=1.14+ 0.23 hours study, where GPA is measured in points and hours study is the number of hours spend studying in a week.

c. sleep=10.33-0.44 work,  where sleep is hours spent sleeping per night and work is the number of hours worked per day.

d. savings=586+0.15 salary, where savings is dollars saved in the bank and the salary is the number of dollars earned in a year.

Answer 1