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.
Sarcasm is an ironic or satirical remark that seems to be praising someone or something but is really taunting or cutting.arcasm sometimes depends on the tone of voice. These examples of sarcasm are replies to people or situations and would only be sarcastic with a sarcastic tone of voice: 1  When something bad happens-That's just what I need, great!