The researcher has decided to use an alpha level of 5 for th

The researcher has decided to use an alpha level of 5% for their research. They have drawn the above bell curve to aid them in understanding their results. Using this information, complete the following questions:

Question 3 – If the research is using a two tail statistical test, Area C would represent how much of the value of the entire bell curve? (2 points)

Question 4 – If the research is using a two tail statistical test, and if we were to accept the research hypothesis, in which area or areas would we expect to see the obtained value? (2 points)

Question 5 – If we were to accept the null hypothesis, in which area or areas would we expect to see the obtained value? (2 points)

Solution

3)

represent the value of complement of alpha ( 0.05) , so

1 - 0.05 = 0.95

4)

in the area A or E because area C is the acceptation region of Ho, and we are accepting the alternative hypothesis

5)

in area C, because we are accepting the null hypothesis, and area C is the acceptation region for Ho