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QUESTION
Hypothesis test for the difference of population means:
Hypothesis test for the difference of population means: Z testPast records suggest that the mean annual income, , of teachers in state of Georgia is greater than or equal to the mean annual income, , of teachers in Indiana. In a current study, a random sample of teachers from Georgia and an independent random sample of teachers from Indiana have been asked to report their mean annual income.The data obtained are as follows. Annual income in dollarsGeorgia38844;32059;41391;33043;46309;36141;33202;33131;39789;44980;42256;39067;35354;35861;41266Indiana417234857741253391384360736885332164725046541479294274341965397033554442562
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