What are the critical z values for a significance level of 2%: (i) Two tail, (ii) Lower

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What are the critical z values for a significance level of 2%: 

(i) Two tail, 

(ii) Lower one tail,

(iii) Upper one tail?

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Business Statistics Using Excel

ISBN: 9780199659517

2nd Edition

Authors: Glyn Davis, Branko Pecar

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