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Calculate a confidence interval for the unknown population mean of IncomeTest at the level of significance whether the average age of people is different to Test at evel of significance whether the

Calculate a  confidence interval for the unknown population mean of IncomeTest at the level of significance  whether the average age of people is different to Test at evel of significance whether the average income is different for people Married or not No Marrie You may assume that the unknown population standard deviations for income is equal Test at the  level of significance whether a person marital status is associated to the city where this person lives

Feb 05 2020 View more View Less

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