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Answer to Question #72491 in Statistics and Probability for John

Question #72491
A random sample of size n1= 40 households in the first community has a mean monthly icome of 1900$ with a standard deviation 540$. For the second community a sample of n1= 30 households has a mean of 1600$ with a standard deviation 420$.Using a 5% level of significance, test the null hypothesis that there is no difference between the average monthly household income in the two communities.
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Expert's answer
2018-01-15T05:45:33-0500
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