Watch Corporation of Switzerland claims that its watches on average will neither gain nor lose time during a week.

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. Is it reasonable to conclude that the mean gain or loss in time for the watches is 0?

-0.40

0.40

-0.10

-0.32

-0.40

-0.23

0.30

0.25

-0.10

-0.37

-0.61

-0.30

0.40

-0.64

-0.10

-0.30

-0.68

-0.20

 Click here for the Excel Data File

(a-1)State the decision rule for 0.02 significance level. (Negative amounts should be indicated by a minus sign. Round your answers to 3 decimal places.)

  Reject H0: μ = 0 if t <or t >

(a-2)Compute the Value of the test statistic. (Negative amount should be indicated by a minus sign. Round your answer to 2 decimal places.)

  Value of the test statistic  

(a-3)What is your decision regarding the null hypothesis?

  (Click to select)

Cannot reject

Reject

 H0: μ = 0. The p-value is (Click to select)

less than 0.001

between 0.10 and 0.20

between 0.02 and 0.05

between 0.01 and 0.02

between 0.001 and 0.01

between 0.05 and 0.10

greater than 0.20