Is there a difference in profit in the first quarter compared to the second quarter for investor's portfolios? Each participant's investment portfolio was evaluated in the first and second quarters to see if there was a difference. Which test should be conducted? Calculate the results, write up the results, and interpret what the results mean. The data set is below:

First	Second
17	19
18	20
19	20
20	22
21	24
22	21
23	28
24	26
14	20