Homework Help: Statistics

Posted by Yona on Tuesday, November 8, 2011 at 6:41pm.

What z- value would you use if you wanted to construct a 73% confidence interval estimate for mean?

Statistics - PsyDAG, Wednesday, November 9, 2011 at 1:07pm
Assuming a two-tailed test,

(1-.73)/2 = .135

Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion (.135) and its corresponding Z score.

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