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A technical writer wants to create a graphic showing the proportion of hurricanes that have hit each of the five Gulf Coast states between 1900 and 2005. The graphic will be included in a safety brochure to be distributed to the public by the Federal Emergency Management Agency. Which graphic would best display the data?
Kruskal-Wallis Test
A nonparametric statistical test used to compare three or more independent samples to determine if they originate from the same distribution.
P-value
The probability of obtaining a test statistic at least as extreme as the one that was actually observed, assuming that the null hypothesis is true.
Test Statistic
A value calculated from sample data during a hypothesis test that is compared to a threshold value to decide whether to reject the null hypothesis.
Wilcoxon Signed Rank Sum Test
A statistical test that doesn't rely on parameters to compare two matched groups, aiming to determine if there is a difference in their population mean ranks.
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