Please see the screenshot below, and assist me with finding the answers and explanations (formulas that are used).

kDEKJ'stU'l-thJNlI l'l'l'l'l'l'l'lJ \\JmU'thUJMLID Person Before After Diff 1 21.00 18.66 2.34 Q3: A health payer organization is concerned about the time it takes a group of account assessors to 2 22.81 16.2? 6.54 process certain aspects of health care claims. They initiate a training program to reduce the time 3 20.53 18.1? 2.36 involved. Average processing time for a fixed set of claims is determined before and after the training 4 21.58 21.2? 0.31 program. The data to the left show the average minutes spent processing claims both before and after 5 18.?? 21.12 2.35 the intervention. Decide whether to reject or accept the null. (Hint: use the Data Analysis ToolPak) 6 2?.?1 18.31 9.40 ? 19.00 22.24 3.24 8 22.38 25.83 3.45 H0: Processing Time Before : Processing Time After 9 24.16 22.28 1.88 H1: Processing Time Before > Processing Time After 10 20.29 15.5? 4.?2 11 25.33 24.60 0.?3 12 20.99 24.51 3.52 13 29.?4 29.?6 0.02 14 16.63 8.68 7.95 15 24.45 24.31 0.14 16 23.04 19.64 3.40