The Watch Corporation of Switzerland claims that its watches on average will neither gain nor lose time during a week. A sample of 18 watches provided the following gains (+) or losses (-) in seconds per week. -0.43 -0.81 -0.76 -0.84 0.83 -0.71 0.57 0.67 -0.73 -0.71 -0.44 -0.33 -0.62 -0.67 -0.85 -0.54 -0.63 0.55 H0: = 0 H1: 0 Is it reasonable to conclude that the mean gain or loss in time for the watches is 0? Use the 0.02 significance level. a. At a level of 0.02 significance, we reject H0: = 0. (Negative answer should be indicated by a minus sign. Round the final answers to 3 decimal places.) If t < or t > , reject H0. b. What is the value of the test statistic? (Round the final answer to 3 decimal places.) Value of the test statistic = c. What is your decision regarding H0? Reject H0: = 0. d. What is the p-value? The p-value is 0.010 and 0.02 .