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Samples of size120 from population 1 with mean 84 and standard deviation 12 and sample size 70 from population 2 with mean 76 and standard

Samples of size120 from population 1 with mean 84 and standard deviation 12 and sample size 70 from population 2 with mean 76 and standard deviation 18 . Round answer for the standard error to two decimal places. standard error=

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