16.6.1 A study reported in Science magazine investigated the relationship between sex, handedness (right- or left-handed), and relative foot size (left foot bigger than right foot, left foot within one-half shoe size of right foot, or right foot bigger). A random sample of 150 adults gave the following data:

Right-handed Left-handed Relative foot size Male Female Male Female L > R 2 55 6 0 L z R 10 18 6 2 L < R 28 14 0 9 Test the association between gender and handedness considering three groups of people: these whose left foot is bigger than their right foot, these whose both feet are almost the same, and these whose left foot is bigger. Compare the results obtained.