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Make a stemplot to display the distribution of pups born per year. Describe the shape, center, and variability of the distribution. Are there any outliers?

Make a stemplot to display the distribution of pups born per year. Describe the shape, center, and variability of the distribution. Are there any outliers?

Calculus For The Life Sciences
Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter1: Functions
Section1.EA: Extended Application Using Extrapolation To Predict Life Expectancy
Problem 7EA
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1.37 Fur seals on St. Paul Island. Every year, hundreds of thou- sands of northern fur seals return to their haul-outs in the Pribilof Islands in Alaska to breed, give birth, and teach their pups to swim, hunt, and survive in the Bering Sea. U.S. commercial fur sealing operations continued on St. Paul until 1984, but despite a reduction in harvest, the population of fur seals has continued to decline. Possible reasons include climate shifts in the North Pacific, chang- es in the availability of prey, and new or increased interac- tion with commercial fisheries that increase mortality. Here are data on the estimated number of fur seal pups born on St. Paul Island (in thousands) from 1979 to 2014, where a dash indicates a year in which no data were collected:28 FURSEALS Arco Images GmbH/Alamy
Transcribed Image Text:1.37 Fur seals on St. Paul Island. Every year, hundreds of thou- sands of northern fur seals return to their haul-outs in the Pribilof Islands in Alaska to breed, give birth, and teach their pups to swim, hunt, and survive in the Bering Sea. U.S. commercial fur sealing operations continued on St. Paul until 1984, but despite a reduction in harvest, the population of fur seals has continued to decline. Possible reasons include climate shifts in the North Pacific, chang- es in the availability of prey, and new or increased interac- tion with commercial fisheries that increase mortality. Here are data on the estimated number of fur seal pups born on St. Paul Island (in thousands) from 1979 to 2014, where a dash indicates a year in which no data were collected:28 FURSEALS Arco Images GmbH/Alamy
Year 1979 1980 1981 1982 1983 1984 1985 1986 1987 Pups Born (thousands) 245.93 203.82 179.44 203.58 165.94 173.27 182.26 167.66 171.61 Year 1988 1989 1990 1991 1992 1993 1994 1995 1996 Pups Born (thousands) 202.23 171.53 201.30 - 182.44 - 192.10 170.12 Make a stemplot to display the distribution of pups born per year. Describe the shape, center, and variability of the distribution. Are there any outliers? Year 1997 1998 1999 2000 2001 2002 2003 2004 2005 Pups Born (thousands) 179.15 - 158.74 - 145.72 - 122.82 Year 2006 2007 2008 2009 2010 2011 2012 2013 2014 Pups Born (thousands) 109.96 102.67 94.50 96.83 91.74
Transcribed Image Text:Year 1979 1980 1981 1982 1983 1984 1985 1986 1987 Pups Born (thousands) 245.93 203.82 179.44 203.58 165.94 173.27 182.26 167.66 171.61 Year 1988 1989 1990 1991 1992 1993 1994 1995 1996 Pups Born (thousands) 202.23 171.53 201.30 - 182.44 - 192.10 170.12 Make a stemplot to display the distribution of pups born per year. Describe the shape, center, and variability of the distribution. Are there any outliers? Year 1997 1998 1999 2000 2001 2002 2003 2004 2005 Pups Born (thousands) 179.15 - 158.74 - 145.72 - 122.82 Year 2006 2007 2008 2009 2010 2011 2012 2013 2014 Pups Born (thousands) 109.96 102.67 94.50 96.83 91.74
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