Question: Please show the working in answering this question. Question: A longevity study is conducted on four different regions in one nation to see if

Please show the working in answering this question. Question: A longevity study

Please show the working in answering this question. Question: A longevity study is conducted on four different regions in one nation to see if life expectancy is the same for each. The study found the following summary data: Sample Sample Sample Region size mean variance North 12 71.01 21.781 South 11 73.30 13.323 East 11 69.26 57.608 West 10 68.50 172.844 Test the hypothesis Ho: 1 = 2 = 3 = 4 at the 10% level of significance.

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