please answer in your own words:

3- Metro University has set a goal to increase the percentage of alumni who donate to the university and to increase the average amount given by those who have donated in the past. Metro U hopes that holding special events at homecoming designed specifically for alums will result in an increase in donations. Consequently, it is planning a special Alumni Bash for homecoming night and invitations have been sent to students who graduated between 1975 and 2000. Identify the dependent and independent variables in the example. State a hypothesis using the information provided.