The table below contains the periodontal status of individuals and their sex. Periodontal status refers to gum disease where individuals are classified as either Healthy, have Gingivitis, or have Periodontal Disease (Perio). Female Male Total Healthy 2108 1124 3232 Gingivitis 1582 937 2519 Are the events Female and Gingivitis dependent? O Yes O No Perio 873 931 1804 Total 4563 2992 7555

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