Feel free to use R code. you can copy data here:

Stock 1 2 3 4 5 6 7 8 9 10 11 12 13 14

Before 52.70 18.11 7.33 11.52 21.14 4.31 11.09 14.22 9.92 7.13 0.17 1.62 82.75 8.09

After 54.32 29.31 2.91 9.78 27.39 5.50 12.11 18.44 10.00 6.64 0.89 1.87 71.51 5.95

Question 3. The price of 14 stocks is measured before and after news of a merger. Of interest is the gain [or loss] in value after the merger. 3 I1 5 5 7 8 9 10 11 12 13 14 Before 52.70 18.11 7.33 11.52 21.14 4.31 11.09 14.22 9.92 7.13 (L17 1.52 32.75 3.09 After 54-32 29.31 2.91 9.73 2139 5.50 12.11 18:14 10.00 5.6 0-39 1.87 11.51 5.95 Part A. Test whether or not the price of a stock has changed on average after a merger. State your model. Be sure to include the 4 steps of an hypothesis test. Part B. Using a different model than in Part A, test whether the price of a stock has changed after a merger. State your model. Perform this test in two different ways. Be sure to include the 4 steps of an hypothesis test