1) state the decision rule for 0.05 significance level.(round answer to 3 decimal places) 2) compute the value of the test statistic (round to 3 decimal places). 3) estimate the p-value

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. 8.33 Click here for the Excel Data File points -0.38 -0.20 -0. 38 -0. 32 +0. 32 -0.23 +0. 30 +0. 25 -0.10 -0.37 -0.61 -0.48 -0.47 -0. 64 -0.04 -0.20 -0. 68 +0.05 a. State the null hypothesis and the alternate hypothesis. Answer is complete and correct. Ho- U=