To adjust the confidence level for family-wise error rate using the Bonferroni procedure to achieve a 99% family confidence coefficient, follow these steps: From the main menu, select "Analyze" then "Multivariate Methods" then "Multivariate". In the "Multivariate" window, select your predictor variables and move them to the "Y, Columns" box. Click "OK". In the "Multivariate" report, click the red triangle next to "Multivariate Tests" and select "Bonferroni". do we not need to add the response ariable