The graph shows Canadian wheat exports in dollars from January 2006 to May 2009 in blue, together
Question:
The graph shows Canadian wheat exports in dollars from January 2006 to May 2009 in blue, together with two moving averages. One moving average is averaged over four data points and the other over seven data points.
a) Which moving average corresponds to the graph in green?
b) Which moving average corresponds to the graph in purple?
c) Why do the graphs start in different months at the left of the graph?
Transcribed Image Text:
1,000,000,000 900,000,000 800,000,000 700,000,000 600,000,000 500,000,000 400,000,000 300,000,000 200,000,000 100,000,000 2006-01 2006-03 2006-05 2006-07 2007-07 2007-09 2007-11 2007-03 Canadian WheatExports 2006-09 2006-11 2007-01 2007-05 2008-01 2008-03 2008-05 2008-07 2008-09 2008-11 2009-01 2009-03 2009-05
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a The green graph is the MA4 since it is not as s...View the full answer
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Related Book For
Business Statistics
ISBN: 9780133899122
3rd Canadian Edition
Authors: Norean D. Sharpe, Richard D. De Veaux, Paul F. Velleman, David Wright
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