In nursing, the systematic gathering of information to gain, expand, or validate knowledge about health describes which of the following activities?
A) research
B) evaluation
C) reporting
D) accounting
Question 2
A statistical test that can be used to test for equality of variances in the distributions for two groups is:
a. The one-sample t-test
b. The two-sample t-test
c. Levene's test
d. The Kolgomorov-Smirnov test