Question: Plot the three-year and the five-year moving means for the data of Problem 2.15. Com- ment on the effect of increase in the period

Plot the three-year and the five-year moving means for the data of

Plot the three-year and the five-year moving means for the data of Problem 2.15. Com- ment on the effect of increase in the period of the moving mean. Is there any apparent trend in the data?

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