3. When evaluating a claim concerning one population mean and I do NOT know the

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3. When evaluating a claim concerning one population mean and I do NOT know the population standard deviation, what statistic would I use? selected) (Data is approximately normal and samples were randomly What statistic would I use when am comparing two population means and I do NOT know the population standard deviation? (hint: I will assume that the population standard deviations are equal) Write out the formula for the test statistic. 4. 5. When I am comparing 2 dependent samples I would use the: a. Pooled t test b. Paired test c.One Sample Z d. Two sample t test that assumes unequal population standard deviations Page 1 of S

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3. When evaluating a claim concerning one population mean and I do NOT know the population standard deviation, what statistic would I use? selected) (Data is approximately normal and samples were randomly What statistic would I use when am comparing two population means and I do NOT know the population standard deviation? (hint: I will assume that the population standard deviations are equal) Write out the formula for the test statistic. 4. 5. When I am comparing 2 dependent samples I would use the: a. Pooled t test b. Paired test c.One Sample Z d. Two sample t test that assumes unequal population standard deviations Page 1 of S

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