1.

Calculate the three -yearly moving averagesand display these and the originalfigures on the same graph.{:("Year ", 2001, 2002, 2003, 2004, 2005, 2006, 2007),("Values "," "20," " 40," " 50," "70," " 80," " 100," " 130):}

Answer»


ANSWER :TREND VALUESARE : 36.7, 53.3, 66.7, 83.3 and 103.3


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