Monday, February 27, 2012

Ch 24 Guiding Questions - Comparing Means

1. What graphical display should you start with when comparing means?

2. How do you find the standard error of the difference of two means?

3. How is finding a confidence interval for the difference of means similar to finding any confidence interval we have already studied?

4. What assumptions and conditions must we check?

5. How should you determine degrees of freedom?

6. It is never wrong not to pool, what does this statement mean in regards to comparing means?


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