Time spent on homework is recognized as a strong correlate of juvenile problem behavior. The data below provide selfreport substance use for a random sample of 8 youths who spend higherthanaverage time on homework, and an independent random sample of 6 youths who spend lowerthanaverage time on homework. Using α = .10, test the hypothesis that spending more time on homework is associated with lower problem behavior. Show all five steps of your hypothesis test.
HigherthanAverage Time on Homework 

LowerthanAverage Time on Homework 
2 

4 
1 

5 
3 

6 
2 

5 
1 

6 
3 

4 
3 


1 

