Calculate the three-period moving average trend

Reference no: EM13990586

The Department of Marine Resources reports the number of tonnes of pelagic fish caught off the west coast during each four-month period over four years as follows:

Period	2007	2008	2009	2010
Jan-Apr	44	45	38	40
May-Aug	36	42	32	31
Sep-Dec	34	34	27	28

(a) Calculate the three-period moving average trend of pelagic fish caught off the west coast.

(b) Plot the actual catches of pelagic fish and the moving average trend on the same graph. Comment on the pattern of pelagic fish catches over the past four years.

(d) Find the least squares trendline for pelagic fish caught off the west coast for the past four years.

(e) Estimate the seasonally adjusted expected number of tonnes of pelagic fish to be caught off the west coast for each four-month period of 2011.

Reference no: EM13990586

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