2. In a fictional study, a pretest-posttest design was used to examine the influence of a television program on children's aggressiveness (Table: TV and Aggressiveness). The number of aggressive responses was measured during an observation period both before and after the television program. Perform the seven steps of hypothesis testing using the data in the table to determine if there is a difference in the number of aggressive behaviors in children after viewing the television program. Participant Before After 6 9 4 3 12 11 9 12 10 14 2 6