QUESTION 7

Researchers wish to see if the evidence is statistically significant to support that the average systolic blood pressure for female diabetics between the ages of 30 and 34 is higher than 120 mm Hg.? A random sample of female diabetics from this population is listed below: 133, 122, 126, 142, 147, 136, 139 Which of the followings is(are) correct? (There are two correct answers.)

	A.	There is statistically significant evidence to support that the average systolic blood pressure is higher than 120 mm Hg. at 5% level of significance.
	B.	There is statistically significant evidence to support that the average systolic blood pressure is higher than 120 mm Hg. at 1% level of significance.
	C.	There is no statistically significant evidence to support that the average systolic blood pressure is higher than 120 mm Hg. at 1% level of significance.
	D.	There is no statistically significant evidence to support that the average systolic blood pressure is higher than 120 mm Hg. at 5% level of significance.

10 points

QUESTION 8

The data in the table below are heart performance scores before and after treatment from a sample of 5 randomly selected patients. Which of the following methods can be considered for testing whether there is significant difference in heart performance scores between before and after the treatment?

Patient ID	1	2	3	4	5
Before	3.5	4.1	3.1	3.7	4.2
After	4.1	4.4	4.0	3.8	4.2

	A.	Zero Pearson's Correlation Coefficient Test
	B.	Signed Rank Test.
	C.	Two Independent Samples t-test
	D.	Kruskal-Wallis Test