Find and interpret the z-score for North Car
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Question
Find and interpret the z-score for North Carolina.

Transcribed Image Text:The cumulative relative frequency graph describes the
Find and interpret the z-score for North Carolina.
distribution of median household incomes in the 50 states
in a recent year. Given are summary statistics for the state
median household incomes. North Carolina had a median
O z= 1.24 North Carolina's median household income
household income of $41,553.
is 1.24 standard deviations above the average median
household income for all states.
O z =-1.24 North Carolina's median household
income is 1.24 standard deviations below the average
100 -
median household income for all states.
O z= 41,546.70 North Carolina's median household
80 -
income is 41,546.70 standard deviations above the
60 -
average median household income for all states.
40 -
O z= 51,737.38 North Carolina's median household
20
income is 51,737.38 standard deviations above the
average median household income for all states.
O z= -1.24 It is 1.24 standard deviations below
35
40
45 50 5
60
65
70 75
Median houschold income ($1000s)
the average.
Mean
SD
Min
Med
Q3
Max
5051,742.44 8210.64 36,641 46,071 50,009 57,020 71,836
Chp
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delete
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Cumulative relative frequency (%)
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