Mathematics, 22.01.2020 07:31 cece4874

Avariable of two populations has a mean of 30.7 and a standard deviation of 32.1 for one of the population and it mean if 30.7 and it’s dinner deviation of 26.6 for the other population for independent samples of size 6211 and 4581 respectively find the mean and standard deviation of x1 minus x2

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Avariable of two populations has a mean of 30.7 and a standard deviation of 32.1 for one of the popu...

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