A one-tail test of significance is associated with a ________ ...

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A one-tail test of significance is associated with a ________ hypothesis, whereas a two-tail test of
  significance is associated with a ________ hypothesis.
 
  A) inferential; descriptive B) non-directional; directional
  C) descriptive; inferential D) directional; non-directional

Question 2

Why are inferential statistical tests also known as parametric tests?
 
  A) They are based on set parameters.
  B) They are used to estimate population parameters.
  C) They are used to estimate sample parameters.
  D) They require a set parameter of assumptions.

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Answer to Question 1

D

Answer to Question 2

B

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Gracias!

[TheNamesImani]

Thanks for the timely response, appreciate it