Answers to Thursday's work

Here are the answers:

• A-4:  2-prop z-test
  
• A-5:  matched pairs mean t-test or 2 mean t-test
  
• C-2:  X^2 two way table
  
• D-4:  2 mean t-test
  
• E-5:  matched pairs mean t-test
  
• F-5b:  2 mean t-test
  
• H-2a:  1-prop z-test