Mr and mrs jones live in a neighborhood where the mean

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Mr. and Mrs. Jones live in a neighborhood where the mean family income is $45,000 with a standard deviation of $9,000. Mr. and Mrs. Smith live in a neighborhood where the mean is $100,000 and the standard deviation is $30,000. What is the relative dispersion of the family incomes in the two neighborhoods?

A) Jones 40%, Smith 20%

B) Jones 20%, Smith 30%

C) Jones 30%, Smith 20%

D) Jones 50%, Smith 33%

E) None of the above

Reference no: EM13577208

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