(Table: TV and Aggressiveness) In a fictional study, a pretest-posttest design was used to examine the influence of a television program on childrens aggressiveness. The number of aggressive responses was measured during an observation period both before and after the television program. (a) Determine if there is a difference in the number of aggressive behaviors in children after having viewed the television program, using a 95% confidence interval. (b) Compute Cohens
