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Samples of size 30 and 37 in Cairns and Towns were taken, average and standard deviation of the weekly salaries were 585.43 and 38.72 respectively in...

Samples of size 30 and 37 in Cairns and Towns were taken, average and standard deviation of the weekly salaries were 585.43 and 38.72 respectively in Towns, and 616.19 and 29.13 in Cairns. Use Cairns minus Towns.

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