Answer:
Which of the following is a correct inference based on the mean values?
A. Problem 2 is more challenging than Problem 1.
B. Problem 1 is more challenging than Problem 2. 
C. The problem are equally challenging.
B is the correct one
It is b because as you can see at problem number 1 the person takes more time to finish their work than problem number 2.
 and the question number 1 is 
The mean time for problem 1 is 29 I think 
and the mean time for problem 2 is 24 or 25. 
Explanation:
oh and dont worry my assigments are also sometimes past due.. well you need to worry but just saying.
Please let me know if it was correct! 
Goodluck!!!! 
:D