Does the empirical rule hold for family size distribution

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Reference no: EM131196962

The size distribution of U.S. families as estimated by the U.S. Bureau of Census is given in table below.

a Calculate the mean and standard deviation of family size. Are these exact values or approximations?

b How does the mean family size compare to the median family size?

c Does the empirical rule hold for the family size distribution?

Reference no: EM131196962

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