Question: Refer to Exercise 10. Here are summary statistics for the state median household incomes: a. Find and interpret the z-score for North Carolina, with a

Refer to Exercise 10. Here are summary statistics for the state median household incomes:

Mean SD Min Q1 Med Q3 Мах 50 51,742.44 8210.64 36,641 46,071 50,009 57,020 71,836


a. Find and interpret the z-score for North Carolina, with a median household income of $41,553.

b. New Jersey had a standardized score of 1.82. Find New Jersey’s median household income for that year.


Exercise 10.

The cumulative relative frequency graph describes the distribution of median household incomes in the 50 states in a recent year.

Mean SD Min Q1 Med Q3 50 51,742.44 8210.64 36,641 46,071 50,009

Mean SD Min Q1 Med Q3 50 51,742.44 8210.64 36,641 46,071 50,009 57,020 71,836

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