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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. Click here for the Excel Data File -0.44 -0.28 -0.24 -0.62 HO: μ = H1: u -0.32 -0.45 -0.30 -0.49 +0.41 -0.57 -0.28 -0.07 a. State the null hypothesis and the alternate hypothesis. +0.48 -0.20 +0.24 -0.53 -0.13 +0.06

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. Click here for the Excel Data File -0.44 -0.28 -0.24 -0.62 HO: μ = H1: u -0.32 -0.45 -0.30 -0.49 +0.41 -0.57 -0.28 -0.07 a. State the null hypothesis and the alternate hypothesis. +0.48 -0.20 +0.24 -0.53 -0.13 +0.06

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 14PPS
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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. Click here for the Excel Data File -0.44 -0.28 -0.24 -0.62 HO: μ = H1: p -0.32 -0.45 -0.30 -0.49 +0.41 -0.57 a. State the null hypothesis and the alternate hypothesis. -0.28 -0.07 At a level of 0.01 significance, we reject H0: µ = 0 if t< +0.48 -0.20 +0.24 -0.53 b. State the decision rule for 0.01 significance level. (Negative amounts should be indicated by a minus sign. Round your answers to 3 decimal places.) ort> -0.13 +0.06
Transcribed Image Text: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. Click here for the Excel Data File -0.44 -0.28 -0.24 -0.62 HO: μ = H1: p -0.32 -0.45 -0.30 -0.49 +0.41 -0.57 a. State the null hypothesis and the alternate hypothesis. -0.28 -0.07 At a level of 0.01 significance, we reject H0: µ = 0 if t< +0.48 -0.20 +0.24 -0.53 b. State the decision rule for 0.01 significance level. (Negative amounts should be indicated by a minus sign. Round your answers to 3 decimal places.) ort> -0.13 +0.06
Value of the test statistic Is it reasonable to conclude that the mean gain or loss in time for the watches is 0? Use the 0.01 significance level. Ho. It Estimate the p-value. reasonable to conclude that the mean gain or loss in time for the watches is 0.
Transcribed Image Text:Value of the test statistic Is it reasonable to conclude that the mean gain or loss in time for the watches is 0? Use the 0.01 significance level. Ho. It Estimate the p-value. reasonable to conclude that the mean gain or loss in time for the watches is 0.
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