Question: For the data in Exercise 18.9, determine the centered moving average for N = 2; for N = 4. In exercise Year Consumption Yer Consumption

For the data in Exercise 18.9, determine the centered moving average for N = 2; for N = 4.
In exercise

Year Consumption Yer Consumption 1992 1993 1994 1995 1996 1997 1998 1999 29.6 30.6 30.8 33.3 33.0 33.0 32.8 36.0 2000 2001 2002 2003 2004 2005 2006 2007 37.7 37.3 38.2 38.6 38.8 39.6 38.6 40.2

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