The independent variable is race/ethnicity (white/nonwhite). The ...

[Tirant22]

The independent variable is race/ethnicity (white/nonwhite). The dependent variable is pulse rate. The appropriate statistical test is a:
 
  A) t-test
  B) Mann-Whitney U-test
  C) Chi-square test
  D) Pearson's r

Question 2

The nature of the research question is closely allied to paradigms. What is the focus of research questions for a quantitative study?
 
  A) Undertaken because some aspect of a phenomenon is poorly understood
  B) Developed within a rich and context bound understanding of the problem
  C) Initiated to heighten awareness and create a dialogue about a phenomenon
  D) Identified major variables in the study and populations under investigation are present.

[Alyson.hiatt@yahoo.com]

Answer to Question 1

A

Answer to Question 2

D

[Tirant22]

Excellent

[Alyson.hiatt@yahoo.com]

Gracias!