Use SPSS to find an ANCOVA: Using the data file attached, answer the following questions in an analysis of whether the level of stress and gender have an impact on caffeine consumption (measured as cups of coffee per day).
A) Is there a difference between the levels of caffeine consumption for the high-stress, low-stress, and no-stress groups?
B) Is there a difference between males and females, regardless of stress group?
C) Are there any interactions?
D) All of the above.