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 is the pvalue and results of the test?DecadeCountDecadeCount1851-186061941-1950101861-187011951-196081871-188071961-197061881-189051971-198041891-190081981-199051901-191041991-200051911-192072001-201081921-193052011-2020101931-19408 Chi-squared test for given probabilitiesdata: stormsX-squared = 13.589, df = 16, p-value = 0.6293A. pvalue=0.6293 is not <= alpha (0.05) therefore H0 is rejectedB. 107C. pvalue=0.6293 is <= alpha (0.05) therefore H0 is rejectedD. pvalue=0.6293 is not <= alpha (0.05) therefore H0 is not rejected

From the given information, the chi-square test statistic is 13.589.

Answered: The National Hurricane Center provides…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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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 is the pvalue and results of the test?

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. pvalue=0.6293 is not <= alpha (0.05) therefore H₀ is rejected
B. 107C. pvalue=0.6293 is <= alpha (0.05) therefore H₀ is rejectedD. pvalue=0.6293 is not <= alpha (0.05) therefore H₀ is not rejected

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