Question 1 3.33 pts The National Health and Nutrition Examination Survey is a longeterm research program that uses random sampling methods to examine the health and nutrition among adults and children in the United States. One study of 2437 young adults (aged 1825 years) found that 35% reported eating foods with added sugars (e.g., soda. brownies) at least 5 times per week. In addition to questions about food consumption, researchers asked questions about periodontal disease. The young adults who reported eating added sugars more than 5 times per week had a 73% higher risk of developing periodontal disease than did those who reported eating no added sugars, and the increase was statistically signicant. Based on the study, is it reasonable to say that eating foods with added sugars causes periodontal problems? Explain your answer. . The researchers did \"'3' WWW" \"Sign \" young adults to eat foods with added sugars a certain number of times per week. did not randomly assign [ Select ] randomly sampled randomly assigned di not randomly sample did not randomly assign