What assumptions must be made about two sampled populations

Reference no: EM131402460

1. Describe the sampling distribution of (y‾₁ - y‾₂).

2. To use the t statistic to test for differences between the means of two populations based on independent samples, what assumptions must be made about the two sampled populations? What assumptions must be made about the two samples?

Reference no: EM131402460

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