What characteristic distinguishes an alternative rival hypothesis ...

[B]

What characteristic distinguishes an alternative rival hypothesis from those hypotheses that are merely alternatives?
 
  a.) An alternative rival hypothesis is mutually exclusive with the proposed hypothesis.
  b.) An alternative rival hypothesis is more complex than mere alternative hypotheses.
  c.) Alternative rival hypotheses must be false.
  d.) An alternative rival hypotheses is more difficult to prove.

Question 2

Which of the following statements is true?
 
  a. Practical significance is more important than statistical significance.
  b. Statistical significance is more important than practical significance.
  c. Both practical and statistical significance are of equal importance.
  d. None of the above

[Brenm]

Answer to Question 1

A

Answer to Question 2

C

[B]

Gracias!

[Bigfoot1984]

Excellent