Manufactures and distributes farming equipment

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Reference no: EM13990561

The marketing manager of a company that manufactures and distributes farming equipment (such as combine harvesters, ploughs and tractors) recorded the number of farming units sold quarterly for the period 2008 to 2011.

Quarter	2008	2009	2010	2011
Summer	57	60	65	64
Autumn	51	56	60	62
Winter	50	53	58	58
Spring	56	61	68	70

(a) Find the quarterly seasonal indexes for farming equipment sold.

(b) Do seasonal forces significantly influence the sale of farming equipment? Comment.

(d) Prepare seasonally adjusted trend estimates of the number of farming units that this company can expect to sell in each quarter of 2012.

(e) Use Excel to prepare the quarterly seasonal indexes and derive the seasonally adjusted trend estimates as required in (d).

Reference no: EM13990561

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