c. Define statistical significance. What would lead you to conclude that the difference between the experimental and control groups is statistically significant? (Note: refer to the textbook to understand the concept of statistical significance). (4 pts.) 4. Conclusions Dr. Nishanthi is worried that simply comparing the experimental and control groups will miss the baseline differences and effects of gender. So, after she collects data using your proposed design, she decides to create two graphs to compare results from the two groups (see the two graphs below). Now she seeks your help in understanding what the results of her study mean. a. Would Dr. Nishanthi be correct in concluding that stress management training reduces stress in all City College students? Support your position. (4 pts.) b. How is it possible that stress seems to increase over time in the control group? (4 pts.) C. Give one explanation for why stress management training has different effects on males versus females? (6 pts.) d. Give two recommendations for improving Dr. Nishanthi's study. (4 pts.)