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le L-lit View History Bookmarks Tools Help https /utah. nstructure.com Dashboard Groups Help izations used in biogeography Matched-pairs test, directional, classical thesis testing method The impact assessment committee of the Intermountain National Park Service Region is concerned about increased vehicle traffic in Utah's 5 national parks. Data collected from 1996 and 2016 show the total traffic counts for each park. Use classical hypothesis testing and the data below to determine if there has been a statistically significant increase in the number of vehicles entering Utah national parks over this 20 year period at the 99% confidence level (Hints: 1) one tailed test, 2) matched-pairs t-test.) Number of vehicles Number of vehicles Park entering park (1996 entering park (2016 581,059 Arches 309,783 Capitol Reef 426,989 759,258 Bryce Canyon 468.887 625,828 1,401,513 Zion 919,516 Canyonlands 176,407 308,545 What is the value of the standard error of the mean difference (ad) to four decimal places? 908 PM 3/8/2017

Explanation / Answer

No of vehicles(1996) No of vehicles(2016) diff(y-x) 309783 581059 271276 426989 759258 332269 468887 625828 156941 919516 1401513 481997 176407 308545 132138 standard deviation 141852.8 standard error 63438.48

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