QNT351 Week-4 DQ

Question 1:

 

post a 300-400-word response to the discussion question below.  Please, make sure your answer reflects your own words and critical thinking. You must meet the word count.


What are the five steps in the hypothesis testing procedure? How does the five-step procedure for hypothesis testing differ when comparing two groups using a t- or z-test? How is the process similar? What is the importance of a 5% level of significance? Why would you choose 5% as opposed to 10% or 1%? 

 



Question 2:

 

 

post a 300-400-word response to the discussion question below.  Please, make sure your answer reflects your own words and critical thinking. You must meet the word count as well.



What is the difference between a left-tailed, two-tailed, and right-tailed hypotheses test. When would you choose a one-tailed hypotheses test? How can you determine the direction of the hypotheses test by looking at a pair of hypotheses? How can you tell which direction (or no direction) to make the hypothesis by looking at the problem statement (research question)?