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April 1, 2015

April 1, 2015

Posted by **Rald** on Tuesday, June 18, 2013 at 5:17pm.

a. [z] > 2.575

b. z>2.575

c. [z] > 1.96

d. [z]>1.645

- statistics -
**MathMate**, Tuesday, June 18, 2013 at 6:18pmA two-tailed test of a=0.05 is equivalent to two tests of a=0.05/2=0.025 for each for the upper and lower tails.

So for |z|>1.96 has a=0.025 (two tailed) is equivalent to z>1.96 and z<-1.96.

Ref:

http://www.math.unb.ca/~knight/utility/NormTble.htm

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