In a fictional study, a pretest-posttest design was used to examine the influence of a television program on children's aggressiveness. A sample of 7 children was collected and their number of aggressive responses was measured during an observation period both before and after the television program.

Perform the six steps of hypothesis testing using the following data to determine if there are differences in aggressive behaviors in children before or after having viewed the television program.. [38pts total]

Participant	Before (X)	After (Y)
1	6	9
2	4	3
3	12	11
4	9	12
5	10	14
6	2	6
7	14	12