Mathematics, 13.07.2021 16:30 Bri0929

Consider a hypothesis test of difference of means for two independent populations x1 and x2. Suppose that both sample sizes are greater than 30 and that you know σ1 but not σ2. Is it standard practice to use the normal distribution or a Student's t distribution?

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Consider a hypothesis test of difference of means for two independent populations x1 and x2. Suppose...

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