3. Cancer studies conclude healthy dieting prevents one's risk of being diagnosed with cancer. a.) Identify the IV and DV. b.) Develop a null hypothesis. c.) Does the scenario indicate a Directional or Non-Directional hypothesis? d.) Based on the scenario, what type of hypothesis test is best? Provide rationale. 4. Develop a directional hypothesis relating to social work literature and/or research findings. 5. Develop a non-directional hypothesis relating to social work literature and/or research findings