Tuesday

April 21, 2015

April 21, 2015

Posted by **Yah** on Tuesday, July 27, 2010 at 1:09am.

a. Test the research hypothesis that there is a difference in level of education between liberals and conservatives, set alpha at 0.01.

b. Would your decision have been different if alpha were set at 0.05?

- Statistics -
**PsyDAG**, Tuesday, July 27, 2010 at 11:07amI assume "SY" is your abbreviation for standard deviation (SD).

Z = (mean1 - mean2)/standard error (SE) of difference between means

SEdiff = √(SEmean1^2 + SEmean2^2)

SEm = SD/√(n-1)

Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion related to the Z score.

I'll let you do the calculations.

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