Using the data set from the sample of 513 patients from the Upper Volta HIV Registry assigned to you and the R Commander:

Discuss whether it would be appropriate to use t-procedures to compare the mean depression score of males and the mean depression score of females in the population of the Upper Volta HIV Registry. (2 marks)

• Use the variables 'dep_score' and 'sex' in your analysis.
• Write your answer in two or three sentences, supported by graphs and including statistics as required.