(Solution) - A research analyst wants to test whether the median unemployment -(2025 Original AI-Free Solution)
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A research analyst wants to test whether the median unemployment rate differs from one region of the country to another. She collects the unemployment rate (in percent) of similar-sized cities in three regions of the United States. The results are shown in the accompanying table.
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b. Calculate the value of the test statistic H.
c. At the 10% significance level, what is the critical value?
d. Do some median unemployment rates differ by region? Explain.