Concept explainers
In 2007 the New York Times reported that the
a. What is the median household income for the sample data for 2013?
b. Based on the sample data, estimate the percentage change in the median household income from 2007 to 2013.
c. Compute the first and third quartiles.
d. Provide a five-number summary.
e. Using the z-score approach, do the data contain any outliers? Does the approach that uses the values of the first and third quartiles and the
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ESSEN OF MOD BUS STAT(LL) W/MIND TAP
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