From the Recording Industry Association of AmericaWeb site, we obtained data on the number of albums sold,

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From the Recording Industry Association of AmericaWeb site, we obtained data on the number of albums sold, in millions, for the top recording artists (U.S. sales only) as of November 6, 2008. Those data are provided on the WeissStats CD.
a. Obtain and interpret the quartiles.
b. Determine and interpret the interquartile range.
c. Find and interpret the five-number summary.
d. Identify potential outliers, if any.
e. Obtain and interpret a boxplot.
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