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A research organization claim that the monthly wages of industrial worker in district X exceeds that of those in district Y by more than rs 150two diff



test statistics=(x1 bar- x2 bar)(s1^2/n1)(s2^2/n2)
substitute the values and you will get the answer.
I got this answer. please check it.
(x1 bar- x2 bar)(s1^2/n1)(s2^2/n2)
Therefore,Statistics = 285.6

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