3. Now, do a pairwise comparison on drinking and GPA. a. What was the measured difference in GPA between those who drink 0 times a week and those that drink 3 or more? b. What was the pvalue associated with this difference? c. Was any pairwise comparison significant? d. Should we have used the Bonferroni correction, or was it a waste of time? 'U'i."h3,4r or why not