Determine if linear regression model appropriate for data


The data file CPI-U which is attached, reflects the annual values of the Consumer Price Index (CPI) in the U.S. over the period 1965 through 2008. Determine if a linear regression model would be appropriate for these data.

a) Show why it is or is not.
b) If it is, what is the model?
c) Use it to predict the CPI in 2014.

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Basic Statistics: Determine if linear regression model appropriate for data
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