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Every road has one at some point - construction zones that have much lower speed limits....

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Every road has one at some point - construction zones that havemuch lower speed limits. To see if drivers obey these lower speedlimits, a police officer uses a radar gun to measure the speed (inmiles per hours, or mph) of a random sample of 10 drivers in a 25mph construction zone. Here are the data: 27; 33; 32; 21; 30; 30;29; 25; 27; 34. Is there convincing evidence that at the α=0.01significance level that the average speed of drivers in thisconstruction zone is greater than the posted speed limit?

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4.1 Ratings (637 Votes)
Solutionxx227729331089321024214413090030900298412562527729341156x288x28434Mean    See Answer
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