Table 14.12 gives data on the cross-classification of people in Caithness, Scotland, by eye and hair color (Fisher 1940). The region of the UK is particularly interesting as there is a mixture of people of Nordic, Celtic, and Anglo-Saxon origin. Apply simple correspondence analysis and compute the corresponding chi-square test. Can you notice “correspondances” or connections between the eye and hair colors?

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TABLE 14.12 Cross-classification of 5387 People in Caithness, Scotland, by Eye and Hair Color Hair Color Eye Color Fair Red Medium Dark Black Blue 326 38 241 110 Light 688 116 584 188 Medium 343 84 909 412 26 Dark 98 48 403 681 A543 85