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Owner: 17grigb
Created: Oct 8, 2015
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Views: 762
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Brandon Grigsby 3.6 and 3.9 The Endangered Mantatee
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(a) The explanatory variable is the number of powerboat registrations during the period of 1977-1990.

(b) The scatterplot shows that as the number of powerboat registrations rises, so to does the number of manatee deaths.


(a) The direction of the relationship is positive.

(b) The data is mostly linear although there is a grouping at the lower end.

(c) The relationship seems to get stronger as the number of powerboat registrations rises. The number of manatee deaths could be accuratly predicted. If the number of powerboat registrations each year stayed at 719,000 about 50 manatees would die per year. 

Result 1: Powerboat Registrations Related to Manatee Deaths   [Info]
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Data set 1. 3.6 Manatee Deaths   [Info]
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