Use the last two columns of the previous data file to answer the following questions.

a. Compare the means of the two groups "Satisfied" and "Not satisfied". What conclusions can you draw from this comparison? b. Compare the medians of the two groups "Satisfied" and "Not satisfied". What conclusions can you draw from this comparison? c. Compare the standard deviations of the two groups "Satisfied" and "Not satisfied". What conclusions can you draw from this comparison? d. Which of the three comparisons above do you think is most meaningful here? Explain. e. Include modified boxplots of the two groups "Satisfied" and "Not satisfied". What conclusions can you draw from comparing the two?

Data:

Satisfied Not Satisfied 8 3 9 1 5 9 9 3 1 3 8 6 8 2 7 6 3 7 8 6 6 1 4 6 9 8 6 4 6 7 5 4 4 4 6 4 8 5 9 2 7 6 7 9 9 4 4