Standard and Poor’s Case-Shiller® Home Price Index measures the residential housing market in metropolitan regions across the United States. The national index, Composite.10, is a composite of 10 regions, and can be found in the data set provided for the years 1987 to 2007.
a) Create a histogram of the data and describe the distribution.
b) Create a time series plot of the data and describe the trend.
c) Which graphical display seems the more appropriate for these data? Explain.