In the start of the 20th century, it was noted that the number of radios in the U.S. and the number of people in insane asylums both increased significantly. The government conducted several studies to find the link between the two events, but could not find any specific evidence of association. Based on this information what was the relationship between the number of radios and the number of people in the insane asylum? Enter your answer, and in your own words, indicate how you arrived at the answer giving proper steps or justification.