User: What are the critical z-values for a two-tailed hypothesis test if the significant level = 0.01?

Weegy: What are the critical z-values ofr a two-tailed hypothesis test if the significant level equals 0.01? [http://wiki.answers.com/Q/What_are_the_critical_z-values_ofr_a_two-tailed_hypothesis_test_if_the_significant_level_equals_0.01]
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User: When is it appropriate to use the paired difference t-test?

Weegy: ... to use? This simple article shows you how to determine whether a paired, unpaired, or one-sample t-test is appropriate ... t-test is a statistical measure of the difference ... [ www.ehow.com/how_4782861_use-onesample-paired-unpaired-ttest.html ]
Auto answered|Score .8948