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The sample data seems to suggest that weekly earnings for males and female workers are different. To reassure yourself, use an appropriate statistical method to examine if the population mean earnings are different for male and female workers. Clearly indicate any assumptions made.
(Male) : ?(bar)= 1439.96 ?= 718.98 n= 427
(Female) : ?(bar)= 1787.29 ? = 1145.20 n= 672
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