You are interested in comparing the level of stress among graduate students in a psychology program to the stress among graduate students in a business program. You give them a scale with range of 0 (no stress) to 7 (extremely stressed) and obtain the following data:
Table B.1
Psychology Business
1 6
5 6
0 2
4 3
2 1
7 7
a. What are the independent and dependent variables for this study?
b. State the null hypothesis and research hypothesis.
c. Can you reject the null hypothesis at alpha = 0.05?