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The National Hurricane Center provides data that list the number of large (category 3, 4, or 5) hurricanes that have struck the United States, by decade, from 1851-2020. Is there sufficient evidence that the number of large hurricanes have remained constant (per decade)? What are the degrees of freedom? Decade Count Decade Count 1851-1860 6 1941-1950 10 1861-1870 1 1951-1960

The National Hurricane Center provides data that list the number of large (category 3, 4, or 5) hurricanes that have struck the United States, by decade, from 1851-2020. Is there sufficient evidence that the number of large hurricanes have remained constant (per decade)? What are the degrees of freedom? Decade Count Decade Count 1851-1860 6 1941-1950 10 1861-1870 1 1951-1960

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.
Chapter12: Probability
Section12.CR: Chapter 12 Review
Problem 97CR
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    1. The National Hurricane Center provides data that list the number of large (category 3, 4, or 5) hurricanes that have struck the United States, by decade, from 1851-2020. Is there sufficient evidence that the number of large hurricanes have remained constant (per decade)? What are the degrees of freedom?

      Decade Count Decade Count
      1851-1860 6 1941-1950 10
      1861-1870 1 1951-1960 8
      1871-1880 7 1961-1970 6
      1881-1890 5 1971-1980 4
      1891-1900 8 1981-1990 5
      1901-1910 4 1991-2000 5
      1911-1920 7 2001-2010 8
      1921-1930 5 2011-2020 10
      1931-1940 8    


      Chi-squared test for given probabilities
      data:  storms
      X-squared = 13.589, df = 16, p-value = 0.6293

      A. 107

                  B. 17

                  C. 13.589

                   D. 16

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