Watch Corporation of Switzerland claims that its watches on average will neither

Question

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 (+) of losses (-) in seconds per week. Is it reasonable to conclude that the mean gain or loss in time for the watches is 0? Use the .05 significance level. At a level of .05 significance we reject H_0 mu = 0 if it .(Negative amounts should be indicated by a minus sign. Round your answers to 3 decimal places.) The value of the test statistic is .(Negative amount should be indicated by a minus sign. Round your answer to 3 decimal places.)

Explanation / Answer

At 95 percent t value ahould be greater than. 1.96 or lower tban -1.96. The value of the test statistic is 0.483

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