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Homework exerciseParental length(mean, mm)Offspring length(mean, mm)3031352833263231294033363135273034283834The length of the middle joint of the right index finger was measured on 10 sets of parents and their adult offspring. The mean parental lengths and mean offspring lengths for each family are listed in the table. What are the descriptive statistics (i.e. mean, variance, and standard deviation) for this characteristic in the parent and offspring groups and what is the narrow sense heritability of the trait?