When we state the alternative hypothesis to look for a difference in a parameter in any direction,we are doing a _____.
A)one-sided test
B)two-sided test
C)None of the above

Question

Quizplus · Accepted Answer

When we state the alternative hypothesis to look for a difference in any direction, it means we want to detect whether the parameter is significantly different from null in either direction. Therefore, this is a two-sided test. Choice A, one-sided test, would imply that we are looking for the parameter to be significantly different in a specific direction.

When We State the Alternative Hypothesis to Look for a Difference