matlab code required with written solution

Problem 8: Given the data below, perform the appropriate test (a Student's t test or a Mann Whitney U test) to compare the following 2 unpaired data sets on the yield from 2 reactors. Reactor 1 Yields (%) 64 74 71 67 67 72 60 Reactor 2 Yields (%) 96 97 85 75 89 75 Using = 0.05, state the following information: a) Explain in 1 sentence which test you chose and why. b) Is the test one-tailed or two-tailed