Manatees are large sea creatures that live along the Florida coast. Many manatees are killed or injured by powerboats. Below are data on powerboat registrations (in thousands) and the number of manatees killed by boats in Florida in the years 1977 to 1990 (how folks who collect these data know the number of manatees killed by boats is unclear to me). Is there any evidence that power boat registrations is related to manatee fatalities? Pearson correlation should be used for these data.

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Manatees are large sea creatures that live along the Florida coast. Many manatees are killed or injured by powerboats. Below are data on powerboat registrations (in thousands) and the number of manatees killed by boats in Florida in the years 1977 to 1990 (how folks who collect these data know the number of manatees killed by boats is unclear to me). Is there any evidence that power boat registrations is related to manatee fatalities? Pearson correlation should be used for these data.

 

 

Year
Powerboat
Manatees
Registrations (1000)
killed
1977
447
13
1978
460
21
1979
481
24
1980
498
16
1981
513
24
1982
512
20
1983
526
15
1984
559
34
1985
585
33
1986
614
33
1987
645
39
1988
675
43
1989
711
50
1990
719
47
Transcribed Image Text:Year Powerboat Manatees Registrations (1000) killed 1977 447 13 1978 460 21 1979 481 24 1980 498 16 1981 513 24 1982 512 20 1983 526 15 1984 559 34 1985 585 33 1986 614 33 1987 645 39 1988 675 43 1989 711 50 1990 719 47
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