1 The appropriate critical value will be selected from the t distribution again depending on the specific alternative hypothesis and the level of significance.  The third factor is the level of significance. The level of significance which is selected in Step 1 (e.g., Î± =0.05) dictates the critical value. For example, in an upper tailed Z test, if Î± =0.05 then the critical value is Z=1.645.
Definition of sarcasm for English Language Learners. : the use of words that mean the opposite of what you really want to say especially in order to insult someone, to show irritation, or to be funny.
SARCASTIC: They look pretty much the same. part of speech: adjective definition 1: expressing or characterized by sarcasm. synonyms: acid, biting, sardonic similar words: acidulous, acrid, caustic, derisive, double-edged, dry, ironic, mocking, ridiculing, satirical, scornful definition 2: using or inclined to use sarcasm. synonyms: acid, biting, derisive, sardonic similar words: