Question

Here is a histogram of the monthly CPI as reported by the Bureau of Labor Statistics (ftp://ftp.bls.gov/pub/special.requests/cpi/cpiai.txt) from 2008 through 2012:
Here is the time series plot for the same data.
a) What features of the data can you see in the histogram that aren’t clear from the time series plot?
b) What features of the data can you see in the time series plot that aren’t clear in the histogram?
c) Which graphical display seems the more appropriate for these data? Explain.
d) Write a brief description of monthly CPI over this time period.


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  • CreatedMay 14, 2015
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