1. You are interested in knowing whether training on implicit bias will decrease the number of use of force incidents that police departments experience. You take a sample of police departments and track their number of use of force incidents during the 30 days before the training and the 30 days after the training. Below are the results: Before Training After Training 1 2 21 11 15 9 16 15 76 55 24 20 91 100 21 20 20 Formulate a research hypothesis, a null hypothesis and test the null at the .01 level of significance by hand. Write a paragraph that outlines your hypothesis, your main findings, and what you conclude about your research.